Home / 15,527.52-23,291.28-5,139.36

Finding the Fourth Proportional to 15,527.52, 23,291.28 and 5,139.36

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Solution

The fourth proportional to 15,527.52, 23,291.28 and 5,139.36 is: 7,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527.52 : 23,291.28 = 5,139.36 : x
  2. Step 2: Convert to fraction form
    15,527.52/23,291.28 = 5,139.36/x
  3. Step 3: Cross multiply
    15,527.52x = 23,291.28 × 5,139.36
  4. Step 4: Simplify right side
    15,527.52x = 119,702,272.78
  5. Step 5: Solve for x
    x = 119,702,272.78/15,527.52
  6. Step 6: Final answer
    x = 7,709.04

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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.