Home / 21,565.46-29,760.27-12,134.03

Finding the Fourth Proportional to 21,565.46, 29,760.27 and 12,134.03

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Solution

The fourth proportional to 21,565.46, 29,760.27 and 12,134.03 is: 16,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.46 : 29,760.27 = 12,134.03 : x
  2. Step 2: Convert to fraction form
    21,565.46/29,760.27 = 12,134.03/x
  3. Step 3: Cross multiply
    21,565.46x = 29,760.27 × 12,134.03
  4. Step 4: Simplify right side
    21,565.46x = 361,112,008.99
  5. Step 5: Solve for x
    x = 361,112,008.99/21,565.46
  6. Step 6: Final answer
    x = 16,744.92

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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.