Home / 18,237.60-27,356.40-12,332.70

Finding the Fourth Proportional to 18,237.60, 27,356.40 and 12,332.70

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Solution

The fourth proportional to 18,237.60, 27,356.40 and 12,332.70 is: 18,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.60 : 27,356.40 = 12,332.70 : x
  2. Step 2: Convert to fraction form
    18,237.60/27,356.40 = 12,332.70/x
  3. Step 3: Cross multiply
    18,237.60x = 27,356.40 × 12,332.70
  4. Step 4: Simplify right side
    18,237.60x = 337,378,274.28
  5. Step 5: Solve for x
    x = 337,378,274.28/18,237.60
  6. Step 6: Final answer
    x = 18,499.05

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Similar ratio
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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.