Home / 22,319.43-30,798.85-12,757.42

Finding the Fourth Proportional to 22,319.43, 30,798.85 and 12,757.42

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Solution

The fourth proportional to 22,319.43, 30,798.85 and 12,757.42 is: 17,604.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.43 : 30,798.85 = 12,757.42 : x
  2. Step 2: Convert to fraction form
    22,319.43/30,798.85 = 12,757.42/x
  3. Step 3: Cross multiply
    22,319.43x = 30,798.85 × 12,757.42
  4. Step 4: Simplify right side
    22,319.43x = 392,913,864.97
  5. Step 5: Solve for x
    x = 392,913,864.97/22,319.43
  6. Step 6: Final answer
    x = 17,604.12

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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.