Home / 12,453.66-18,687.85-5,057.55

Finding the Fourth Proportional to 12,453.66, 18,687.85 and 5,057.55

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Solution

The fourth proportional to 12,453.66, 18,687.85 and 5,057.55 is: 7,589.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.66 : 18,687.85 = 5,057.55 : x
  2. Step 2: Convert to fraction form
    12,453.66/18,687.85 = 5,057.55/x
  3. Step 3: Cross multiply
    12,453.66x = 18,687.85 × 5,057.55
  4. Step 4: Simplify right side
    12,453.66x = 94,514,723.12
  5. Step 5: Solve for x
    x = 94,514,723.12/12,453.66
  6. Step 6: Final answer
    x = 7,589.31

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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.