Home / 22,044.08-30,420.71-11,972.43

Finding the Fourth Proportional to 22,044.08, 30,420.71 and 11,972.43

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Solution

The fourth proportional to 22,044.08, 30,420.71 and 11,972.43 is: 16,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.08 : 30,420.71 = 11,972.43 : x
  2. Step 2: Convert to fraction form
    22,044.08/30,420.71 = 11,972.43/x
  3. Step 3: Cross multiply
    22,044.08x = 30,420.71 × 11,972.43
  4. Step 4: Simplify right side
    22,044.08x = 364,209,761.16
  5. Step 5: Solve for x
    x = 364,209,761.16/22,044.08
  6. Step 6: Final answer
    x = 16,521.89

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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.