Home / 22,463.43-31,002.39-18,680.07

Finding the Fourth Proportional to 22,463.43, 31,002.39 and 18,680.07

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Solution

The fourth proportional to 22,463.43, 31,002.39 and 18,680.07 is: 25,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.43 : 31,002.39 = 18,680.07 : x
  2. Step 2: Convert to fraction form
    22,463.43/31,002.39 = 18,680.07/x
  3. Step 3: Cross multiply
    22,463.43x = 31,002.39 × 18,680.07
  4. Step 4: Simplify right side
    22,463.43x = 579,126,815.37
  5. Step 5: Solve for x
    x = 579,126,815.37/22,463.43
  6. Step 6: Final answer
    x = 25,780.87

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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.