Home / 22,359.09-30,854.92-12,287.52

Finding the Fourth Proportional to 22,359.09, 30,854.92 and 12,287.52

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Solution

The fourth proportional to 22,359.09, 30,854.92 and 12,287.52 is: 16,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.09 : 30,854.92 = 12,287.52 : x
  2. Step 2: Convert to fraction form
    22,359.09/30,854.92 = 12,287.52/x
  3. Step 3: Cross multiply
    22,359.09x = 30,854.92 × 12,287.52
  4. Step 4: Simplify right side
    22,359.09x = 379,130,385.16
  5. Step 5: Solve for x
    x = 379,130,385.16/22,359.09
  6. Step 6: Final answer
    x = 16,956.44

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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.