Home / 12,439.11-17,166-6,773.91

Finding the Fourth Proportional to 12,439.11, 17,166 and 6,773.91

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Solution

The fourth proportional to 12,439.11, 17,166 and 6,773.91 is: 9,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.11 : 17,166 = 6,773.91 : x
  2. Step 2: Convert to fraction form
    12,439.11/17,166 = 6,773.91/x
  3. Step 3: Cross multiply
    12,439.11x = 17,166 × 6,773.91
  4. Step 4: Simplify right side
    12,439.11x = 116,280,939.06
  5. Step 5: Solve for x
    x = 116,280,939.06/12,439.11
  6. Step 6: Final answer
    x = 9,348.01

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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.