Home / 22,454.32-30,988.80-12,384.73

Finding the Fourth Proportional to 22,454.32, 30,988.80 and 12,384.73

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Solution

The fourth proportional to 22,454.32, 30,988.80 and 12,384.73 is: 17,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.32 : 30,988.80 = 12,384.73 : x
  2. Step 2: Convert to fraction form
    22,454.32/30,988.80 = 12,384.73/x
  3. Step 3: Cross multiply
    22,454.32x = 30,988.80 × 12,384.73
  4. Step 4: Simplify right side
    22,454.32x = 383,787,921.02
  5. Step 5: Solve for x
    x = 383,787,921.02/22,454.32
  6. Step 6: Final answer
    x = 17,091.94

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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.