Home / 13,029.30-19,543.95-4,265.10

Finding the Fourth Proportional to 13,029.30, 19,543.95 and 4,265.10

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Solution

The fourth proportional to 13,029.30, 19,543.95 and 4,265.10 is: 6,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.30 : 19,543.95 = 4,265.10 : x
  2. Step 2: Convert to fraction form
    13,029.30/19,543.95 = 4,265.10/x
  3. Step 3: Cross multiply
    13,029.30x = 19,543.95 × 4,265.10
  4. Step 4: Simplify right side
    13,029.30x = 83,356,901.15
  5. Step 5: Solve for x
    x = 83,356,901.15/13,029.30
  6. Step 6: Final answer
    x = 6,397.65

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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.