Home / 12,463.12-18,693.40-6,613.52

Finding the Fourth Proportional to 12,463.12, 18,693.40 and 6,613.52

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Solution

The fourth proportional to 12,463.12, 18,693.40 and 6,613.52 is: 9,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.12 : 18,693.40 = 6,613.52 : x
  2. Step 2: Convert to fraction form
    12,463.12/18,693.40 = 6,613.52/x
  3. Step 3: Cross multiply
    12,463.12x = 18,693.40 × 6,613.52
  4. Step 4: Simplify right side
    12,463.12x = 123,629,174.77
  5. Step 5: Solve for x
    x = 123,629,174.77/12,463.12
  6. Step 6: Final answer
    x = 9,919.60

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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.