Home / 12,043.38-18,064.47-6,118.44

Finding the Fourth Proportional to 12,043.38, 18,064.47 and 6,118.44

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Solution

The fourth proportional to 12,043.38, 18,064.47 and 6,118.44 is: 9,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.38 : 18,064.47 = 6,118.44 : x
  2. Step 2: Convert to fraction form
    12,043.38/18,064.47 = 6,118.44/x
  3. Step 3: Cross multiply
    12,043.38x = 18,064.47 × 6,118.44
  4. Step 4: Simplify right side
    12,043.38x = 110,526,296.61
  5. Step 5: Solve for x
    x = 110,526,296.61/12,043.38
  6. Step 6: Final answer
    x = 9,177.35

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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.