Home / 15,429.36-23,144.08-3,742.56

Finding the Fourth Proportional to 15,429.36, 23,144.08 and 3,742.56

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Solution

The fourth proportional to 15,429.36, 23,144.08 and 3,742.56 is: 5,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.36 : 23,144.08 = 3,742.56 : x
  2. Step 2: Convert to fraction form
    15,429.36/23,144.08 = 3,742.56/x
  3. Step 3: Cross multiply
    15,429.36x = 23,144.08 × 3,742.56
  4. Step 4: Simplify right side
    15,429.36x = 86,618,108.04
  5. Step 5: Solve for x
    x = 86,618,108.04/15,429.36
  6. Step 6: Final answer
    x = 5,613.85

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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.