Home / 19,527.57-29,291.36-9,146.61

Finding the Fourth Proportional to 19,527.57, 29,291.36 and 9,146.61

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Solution

The fourth proportional to 19,527.57, 29,291.36 and 9,146.61 is: 13,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,527.57 : 29,291.36 = 9,146.61 : x
  2. Step 2: Convert to fraction form
    19,527.57/29,291.36 = 9,146.61/x
  3. Step 3: Cross multiply
    19,527.57x = 29,291.36 × 9,146.61
  4. Step 4: Simplify right side
    19,527.57x = 267,916,600.56
  5. Step 5: Solve for x
    x = 267,916,600.56/19,527.57
  6. Step 6: Final answer
    x = 13,719.92

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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.