Home / 18,140.86-27,200.96-9,250.70

Finding the Fourth Proportional to 18,140.86, 27,200.96 and 9,250.70

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Solution

The fourth proportional to 18,140.86, 27,200.96 and 9,250.70 is: 13,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.86 : 27,200.96 = 9,250.70 : x
  2. Step 2: Convert to fraction form
    18,140.86/27,200.96 = 9,250.70/x
  3. Step 3: Cross multiply
    18,140.86x = 27,200.96 × 9,250.70
  4. Step 4: Simplify right side
    18,140.86x = 251,627,920.67
  5. Step 5: Solve for x
    x = 251,627,920.67/18,140.86
  6. Step 6: Final answer
    x = 13,870.78

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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.