Home / 10,406.33-15,609.50-2,615.13

Finding the Fourth Proportional to 10,406.33, 15,609.50 and 2,615.13

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Solution

The fourth proportional to 10,406.33, 15,609.50 and 2,615.13 is: 3,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.33 : 15,609.50 = 2,615.13 : x
  2. Step 2: Convert to fraction form
    10,406.33/15,609.50 = 2,615.13/x
  3. Step 3: Cross multiply
    10,406.33x = 15,609.50 × 2,615.13
  4. Step 4: Simplify right side
    10,406.33x = 40,820,858.66
  5. Step 5: Solve for x
    x = 40,820,858.66/10,406.33
  6. Step 6: Final answer
    x = 3,922.70

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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.