Home / 18,338.45-27,500.51-6,487.65

Finding the Fourth Proportional to 18,338.45, 27,500.51 and 6,487.65

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Solution

The fourth proportional to 18,338.45, 27,500.51 and 6,487.65 is: 9,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.45 : 27,500.51 = 6,487.65 : x
  2. Step 2: Convert to fraction form
    18,338.45/27,500.51 = 6,487.65/x
  3. Step 3: Cross multiply
    18,338.45x = 27,500.51 × 6,487.65
  4. Step 4: Simplify right side
    18,338.45x = 178,413,651.26
  5. Step 5: Solve for x
    x = 178,413,651.26/18,338.45
  6. Step 6: Final answer
    x = 9,728.94

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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.