Home / 8,500.24-11,732.65-5,515.90

Finding the Fourth Proportional to 8,500.24, 11,732.65 and 5,515.90

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Solution

The fourth proportional to 8,500.24, 11,732.65 and 5,515.90 is: 7,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.24 : 11,732.65 = 5,515.90 : x
  2. Step 2: Convert to fraction form
    8,500.24/11,732.65 = 5,515.90/x
  3. Step 3: Cross multiply
    8,500.24x = 11,732.65 × 5,515.90
  4. Step 4: Simplify right side
    8,500.24x = 64,716,081.01
  5. Step 5: Solve for x
    x = 64,716,081.01/8,500.24
  6. Step 6: Final answer
    x = 7,613.44

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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.