Home / 22,419.28-30,937.41-12,347.38

Finding the Fourth Proportional to 22,419.28, 30,937.41 and 12,347.38

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Solution

The fourth proportional to 22,419.28, 30,937.41 and 12,347.38 is: 17,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.28 : 30,937.41 = 12,347.38 : x
  2. Step 2: Convert to fraction form
    22,419.28/30,937.41 = 12,347.38/x
  3. Step 3: Cross multiply
    22,419.28x = 30,937.41 × 12,347.38
  4. Step 4: Simplify right side
    22,419.28x = 381,995,957.49
  5. Step 5: Solve for x
    x = 381,995,957.49/22,419.28
  6. Step 6: Final answer
    x = 17,038.73

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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.