Home / 21,042.04-29,038.36-11,610.62

Finding the Fourth Proportional to 21,042.04, 29,038.36 and 11,610.62

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Solution

The fourth proportional to 21,042.04, 29,038.36 and 11,610.62 is: 16,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.04 : 29,038.36 = 11,610.62 : x
  2. Step 2: Convert to fraction form
    21,042.04/29,038.36 = 11,610.62/x
  3. Step 3: Cross multiply
    21,042.04x = 29,038.36 × 11,610.62
  4. Step 4: Simplify right side
    21,042.04x = 337,153,363.38
  5. Step 5: Solve for x
    x = 337,153,363.38/21,042.04
  6. Step 6: Final answer
    x = 16,022.85

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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.