Home / 18,325.58-27,488.29-5,177.91

Finding the Fourth Proportional to 18,325.58, 27,488.29 and 5,177.91

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Solution

The fourth proportional to 18,325.58, 27,488.29 and 5,177.91 is: 7,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.58 : 27,488.29 = 5,177.91 : x
  2. Step 2: Convert to fraction form
    18,325.58/27,488.29 = 5,177.91/x
  3. Step 3: Cross multiply
    18,325.58x = 27,488.29 × 5,177.91
  4. Step 4: Simplify right side
    18,325.58x = 142,331,865.78
  5. Step 5: Solve for x
    x = 142,331,865.78/18,325.58
  6. Step 6: Final answer
    x = 7,766.84

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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.