Home / 22,330.78-30,810.16-14,377.61

Finding the Fourth Proportional to 22,330.78, 30,810.16 and 14,377.61

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Solution

The fourth proportional to 22,330.78, 30,810.16 and 14,377.61 is: 19,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.78 : 30,810.16 = 14,377.61 : x
  2. Step 2: Convert to fraction form
    22,330.78/30,810.16 = 14,377.61/x
  3. Step 3: Cross multiply
    22,330.78x = 30,810.16 × 14,377.61
  4. Step 4: Simplify right side
    22,330.78x = 442,976,464.52
  5. Step 5: Solve for x
    x = 442,976,464.52/22,330.78
  6. Step 6: Final answer
    x = 19,837.04

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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.