Home / 22,358.49-30,854.88-12,287.13

Finding the Fourth Proportional to 22,358.49, 30,854.88 and 12,287.13

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Solution

The fourth proportional to 22,358.49, 30,854.88 and 12,287.13 is: 16,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.49 : 30,854.88 = 12,287.13 : x
  2. Step 2: Convert to fraction form
    22,358.49/30,854.88 = 12,287.13/x
  3. Step 3: Cross multiply
    22,358.49x = 30,854.88 × 12,287.13
  4. Step 4: Simplify right side
    22,358.49x = 379,117,921.69
  5. Step 5: Solve for x
    x = 379,117,921.69/22,358.49
  6. Step 6: Final answer
    x = 16,956.33

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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.