Home / 21,061.60-29,066.19-11,502.38

Finding the Fourth Proportional to 21,061.60, 29,066.19 and 11,502.38

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Solution

The fourth proportional to 21,061.60, 29,066.19 and 11,502.38 is: 15,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061.60 : 29,066.19 = 11,502.38 : x
  2. Step 2: Convert to fraction form
    21,061.60/29,066.19 = 11,502.38/x
  3. Step 3: Cross multiply
    21,061.60x = 29,066.19 × 11,502.38
  4. Step 4: Simplify right side
    21,061.60x = 334,330,217.20
  5. Step 5: Solve for x
    x = 334,330,217.20/21,061.60
  6. Step 6: Final answer
    x = 15,873.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.