Home / 21,042.24-29,038.39-11,610.80

Finding the Fourth Proportional to 21,042.24, 29,038.39 and 11,610.80

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Solution

The fourth proportional to 21,042.24, 29,038.39 and 11,610.80 is: 16,022.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.24 : 29,038.39 = 11,610.80 : x
  2. Step 2: Convert to fraction form
    21,042.24/29,038.39 = 11,610.80/x
  3. Step 3: Cross multiply
    21,042.24x = 29,038.39 × 11,610.80
  4. Step 4: Simplify right side
    21,042.24x = 337,158,938.61
  5. Step 5: Solve for x
    x = 337,158,938.61/21,042.24
  6. Step 6: Final answer
    x = 16,022.96

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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.