Home / 22,523.07-31,079.14-12,450.14

Finding the Fourth Proportional to 22,523.07, 31,079.14 and 12,450.14

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Solution

The fourth proportional to 22,523.07, 31,079.14 and 12,450.14 is: 17,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,523.07 : 31,079.14 = 12,450.14 : x
  2. Step 2: Convert to fraction form
    22,523.07/31,079.14 = 12,450.14/x
  3. Step 3: Cross multiply
    22,523.07x = 31,079.14 × 12,450.14
  4. Step 4: Simplify right side
    22,523.07x = 386,939,731.46
  5. Step 5: Solve for x
    x = 386,939,731.46/22,523.07
  6. Step 6: Final answer
    x = 17,179.71

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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.