Home / 12,167.39-18,248.99-3,400.22

Finding the Fourth Proportional to 12,167.39, 18,248.99 and 3,400.22

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Solution

The fourth proportional to 12,167.39, 18,248.99 and 3,400.22 is: 5,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.39 : 18,248.99 = 3,400.22 : x
  2. Step 2: Convert to fraction form
    12,167.39/18,248.99 = 3,400.22/x
  3. Step 3: Cross multiply
    12,167.39x = 18,248.99 × 3,400.22
  4. Step 4: Simplify right side
    12,167.39x = 62,050,472.53
  5. Step 5: Solve for x
    x = 62,050,472.53/12,167.39
  6. Step 6: Final answer
    x = 5,099.74

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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.