Home / 16,947.76-23,387.22-9,394.20

Finding the Fourth Proportional to 16,947.76, 23,387.22 and 9,394.20

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Solution

The fourth proportional to 16,947.76, 23,387.22 and 9,394.20 is: 12,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.76 : 23,387.22 = 9,394.20 : x
  2. Step 2: Convert to fraction form
    16,947.76/23,387.22 = 9,394.20/x
  3. Step 3: Cross multiply
    16,947.76x = 23,387.22 × 9,394.20
  4. Step 4: Simplify right side
    16,947.76x = 219,704,222.12
  5. Step 5: Solve for x
    x = 219,704,222.12/16,947.76
  6. Step 6: Final answer
    x = 12,963.61

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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.