Home / 21,042.04-29,038.18-11,610.94

Finding the Fourth Proportional to 21,042.04, 29,038.18 and 11,610.94

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Solution

The fourth proportional to 21,042.04, 29,038.18 and 11,610.94 is: 16,023.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.04 : 29,038.18 = 11,610.94 : x
  2. Step 2: Convert to fraction form
    21,042.04/29,038.18 = 11,610.94/x
  3. Step 3: Cross multiply
    21,042.04x = 29,038.18 × 11,610.94
  4. Step 4: Simplify right side
    21,042.04x = 337,160,565.69
  5. Step 5: Solve for x
    x = 337,160,565.69/21,042.04
  6. Step 6: Final answer
    x = 16,023.19

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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.