Home / 12,077.11-18,115.73-5,498.70

Finding the Fourth Proportional to 12,077.11, 18,115.73 and 5,498.70

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Solution

The fourth proportional to 12,077.11, 18,115.73 and 5,498.70 is: 8,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.11 : 18,115.73 = 5,498.70 : x
  2. Step 2: Convert to fraction form
    12,077.11/18,115.73 = 5,498.70/x
  3. Step 3: Cross multiply
    12,077.11x = 18,115.73 × 5,498.70
  4. Step 4: Simplify right side
    12,077.11x = 99,612,964.55
  5. Step 5: Solve for x
    x = 99,612,964.55/12,077.11
  6. Step 6: Final answer
    x = 8,248.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.