Home / 12,385.28-17,098.32-9,546.44

Finding the Fourth Proportional to 12,385.28, 17,098.32 and 9,546.44

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Solution

The fourth proportional to 12,385.28, 17,098.32 and 9,546.44 is: 13,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.28 : 17,098.32 = 9,546.44 : x
  2. Step 2: Convert to fraction form
    12,385.28/17,098.32 = 9,546.44/x
  3. Step 3: Cross multiply
    12,385.28x = 17,098.32 × 9,546.44
  4. Step 4: Simplify right side
    12,385.28x = 163,228,085.98
  5. Step 5: Solve for x
    x = 163,228,085.98/12,385.28
  6. Step 6: Final answer
    x = 13,179.20

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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.