Home / 22,823.20-34,234.80-12,981.70

Finding the Fourth Proportional to 22,823.20, 34,234.80 and 12,981.70

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Solution

The fourth proportional to 22,823.20, 34,234.80 and 12,981.70 is: 19,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,823.20 : 34,234.80 = 12,981.70 : x
  2. Step 2: Convert to fraction form
    22,823.20/34,234.80 = 12,981.70/x
  3. Step 3: Cross multiply
    22,823.20x = 34,234.80 × 12,981.70
  4. Step 4: Simplify right side
    22,823.20x = 444,425,903.16
  5. Step 5: Solve for x
    x = 444,425,903.16/22,823.20
  6. Step 6: Final answer
    x = 19,472.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.