Home / 21,299.66-29,391.41-12,350.17

Finding the Fourth Proportional to 21,299.66, 29,391.41 and 12,350.17

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Solution

The fourth proportional to 21,299.66, 29,391.41 and 12,350.17 is: 17,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,299.66 : 29,391.41 = 12,350.17 : x
  2. Step 2: Convert to fraction form
    21,299.66/29,391.41 = 12,350.17/x
  3. Step 3: Cross multiply
    21,299.66x = 29,391.41 × 12,350.17
  4. Step 4: Simplify right side
    21,299.66x = 362,988,701.33
  5. Step 5: Solve for x
    x = 362,988,701.33/21,299.66
  6. Step 6: Final answer
    x = 17,042.00

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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.