Home / 12,546.40-17,314.68-6,957.76

Finding the Fourth Proportional to 12,546.40, 17,314.68 and 6,957.76

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Solution

The fourth proportional to 12,546.40, 17,314.68 and 6,957.76 is: 9,602.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.40 : 17,314.68 = 6,957.76 : x
  2. Step 2: Convert to fraction form
    12,546.40/17,314.68 = 6,957.76/x
  3. Step 3: Cross multiply
    12,546.40x = 17,314.68 × 6,957.76
  4. Step 4: Simplify right side
    12,546.40x = 120,471,387.92
  5. Step 5: Solve for x
    x = 120,471,387.92/12,546.40
  6. Step 6: Final answer
    x = 9,602.07

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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.