Home / 22,423.20-30,945.43-12,351.65

Finding the Fourth Proportional to 22,423.20, 30,945.43 and 12,351.65

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Solution

The fourth proportional to 22,423.20, 30,945.43 and 12,351.65 is: 17,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.20 : 30,945.43 = 12,351.65 : x
  2. Step 2: Convert to fraction form
    22,423.20/30,945.43 = 12,351.65/x
  3. Step 3: Cross multiply
    22,423.20x = 30,945.43 × 12,351.65
  4. Step 4: Simplify right side
    22,423.20x = 382,226,981.17
  5. Step 5: Solve for x
    x = 382,226,981.17/22,423.20
  6. Step 6: Final answer
    x = 17,046.05

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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.