Home / 22,612.95-31,207.46-12,542.35

Finding the Fourth Proportional to 22,612.95, 31,207.46 and 12,542.35

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Solution

The fourth proportional to 22,612.95, 31,207.46 and 12,542.35 is: 17,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,612.95 : 31,207.46 = 12,542.35 : x
  2. Step 2: Convert to fraction form
    22,612.95/31,207.46 = 12,542.35/x
  3. Step 3: Cross multiply
    22,612.95x = 31,207.46 × 12,542.35
  4. Step 4: Simplify right side
    22,612.95x = 391,414,885.93
  5. Step 5: Solve for x
    x = 391,414,885.93/22,612.95
  6. Step 6: Final answer
    x = 17,309.32

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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.