Home / 21,737.16-29,986.61-14,180.00

Finding the Fourth Proportional to 21,737.16, 29,986.61 and 14,180.00

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Solution

The fourth proportional to 21,737.16, 29,986.61 and 14,180.00 is: 19,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.16 : 29,986.61 = 14,180.00 : x
  2. Step 2: Convert to fraction form
    21,737.16/29,986.61 = 14,180.00/x
  3. Step 3: Cross multiply
    21,737.16x = 29,986.61 × 14,180.00
  4. Step 4: Simplify right side
    21,737.16x = 425,209,908.97
  5. Step 5: Solve for x
    x = 425,209,908.97/21,737.16
  6. Step 6: Final answer
    x = 19,561.43

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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.