Home / 22,437.28-30,963.90-12,365.92

Finding the Fourth Proportional to 22,437.28, 30,963.90 and 12,365.92

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Solution

The fourth proportional to 22,437.28, 30,963.90 and 12,365.92 is: 17,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,437.28 : 30,963.90 = 12,365.92 : x
  2. Step 2: Convert to fraction form
    22,437.28/30,963.90 = 12,365.92/x
  3. Step 3: Cross multiply
    22,437.28x = 30,963.90 × 12,365.92
  4. Step 4: Simplify right side
    22,437.28x = 382,897,110.29
  5. Step 5: Solve for x
    x = 382,897,110.29/22,437.28
  6. Step 6: Final answer
    x = 17,065.22

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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.