Home / 12,366.48-17,059.80-8,115.84

Finding the Fourth Proportional to 12,366.48, 17,059.80 and 8,115.84

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Solution

The fourth proportional to 12,366.48, 17,059.80 and 8,115.84 is: 11,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.48 : 17,059.80 = 8,115.84 : x
  2. Step 2: Convert to fraction form
    12,366.48/17,059.80 = 8,115.84/x
  3. Step 3: Cross multiply
    12,366.48x = 17,059.80 × 8,115.84
  4. Step 4: Simplify right side
    12,366.48x = 138,454,607.23
  5. Step 5: Solve for x
    x = 138,454,607.23/12,366.48
  6. Step 6: Final answer
    x = 11,195.96

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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.