Home / 12,337.36-18,499.37-6,399.53

Finding the Fourth Proportional to 12,337.36, 18,499.37 and 6,399.53

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Solution

The fourth proportional to 12,337.36, 18,499.37 and 6,399.53 is: 9,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.36 : 18,499.37 = 6,399.53 : x
  2. Step 2: Convert to fraction form
    12,337.36/18,499.37 = 6,399.53/x
  3. Step 3: Cross multiply
    12,337.36x = 18,499.37 × 6,399.53
  4. Step 4: Simplify right side
    12,337.36x = 118,387,164.80
  5. Step 5: Solve for x
    x = 118,387,164.80/12,337.36
  6. Step 6: Final answer
    x = 9,595.83

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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.