Home / 22,216.92-30,659.31-13,269.66

Finding the Fourth Proportional to 22,216.92, 30,659.31 and 13,269.66

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Solution

The fourth proportional to 22,216.92, 30,659.31 and 13,269.66 is: 18,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.92 : 30,659.31 = 13,269.66 : x
  2. Step 2: Convert to fraction form
    22,216.92/30,659.31 = 13,269.66/x
  3. Step 3: Cross multiply
    22,216.92x = 30,659.31 × 13,269.66
  4. Step 4: Simplify right side
    22,216.92x = 406,838,619.53
  5. Step 5: Solve for x
    x = 406,838,619.53/22,216.92
  6. Step 6: Final answer
    x = 18,312.11

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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.