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Finding the Fourth Proportional to 10,602.13, 15,903.19 and 3,306.13

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Solution

The fourth proportional to 10,602.13, 15,903.19 and 3,306.13 is: 4,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.13 : 15,903.19 = 3,306.13 : x
  2. Step 2: Convert to fraction form
    10,602.13/15,903.19 = 3,306.13/x
  3. Step 3: Cross multiply
    10,602.13x = 15,903.19 × 3,306.13
  4. Step 4: Simplify right side
    10,602.13x = 52,577,925.77
  5. Step 5: Solve for x
    x = 52,577,925.77/10,602.13
  6. Step 6: Final answer
    x = 4,959.19

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.