Home / 21,566.17-29,761.23-12,134.89

Finding the Fourth Proportional to 21,566.17, 29,761.23 and 12,134.89

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Solution

The fourth proportional to 21,566.17, 29,761.23 and 12,134.89 is: 16,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.17 : 29,761.23 = 12,134.89 : x
  2. Step 2: Convert to fraction form
    21,566.17/29,761.23 = 12,134.89/x
  3. Step 3: Cross multiply
    21,566.17x = 29,761.23 × 12,134.89
  4. Step 4: Simplify right side
    21,566.17x = 361,149,252.31
  5. Step 5: Solve for x
    x = 361,149,252.31/21,566.17
  6. Step 6: Final answer
    x = 16,746.10

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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.