Home / 22,983.90-31,721.91-13,551.90

Finding the Fourth Proportional to 22,983.90, 31,721.91 and 13,551.90

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Solution

The fourth proportional to 22,983.90, 31,721.91 and 13,551.90 is: 18,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,983.90 : 31,721.91 = 13,551.90 : x
  2. Step 2: Convert to fraction form
    22,983.90/31,721.91 = 13,551.90/x
  3. Step 3: Cross multiply
    22,983.90x = 31,721.91 × 13,551.90
  4. Step 4: Simplify right side
    22,983.90x = 429,892,152.13
  5. Step 5: Solve for x
    x = 429,892,152.13/22,983.90
  6. Step 6: Final answer
    x = 18,704.06

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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.