Home / 18,360.62-25,338.03-9,977.66

Finding the Fourth Proportional to 18,360.62, 25,338.03 and 9,977.66

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Solution

The fourth proportional to 18,360.62, 25,338.03 and 9,977.66 is: 13,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.62 : 25,338.03 = 9,977.66 : x
  2. Step 2: Convert to fraction form
    18,360.62/25,338.03 = 9,977.66/x
  3. Step 3: Cross multiply
    18,360.62x = 25,338.03 × 9,977.66
  4. Step 4: Simplify right side
    18,360.62x = 252,814,248.41
  5. Step 5: Solve for x
    x = 252,814,248.41/18,360.62
  6. Step 6: Final answer
    x = 13,769.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.