Home / 16,231.92-22,400.44-9,521.84

Finding the Fourth Proportional to 16,231.92, 22,400.44 and 9,521.84

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Solution

The fourth proportional to 16,231.92, 22,400.44 and 9,521.84 is: 13,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.92 : 22,400.44 = 9,521.84 : x
  2. Step 2: Convert to fraction form
    16,231.92/22,400.44 = 9,521.84/x
  3. Step 3: Cross multiply
    16,231.92x = 22,400.44 × 9,521.84
  4. Step 4: Simplify right side
    16,231.92x = 213,293,405.61
  5. Step 5: Solve for x
    x = 213,293,405.61/16,231.92
  6. Step 6: Final answer
    x = 13,140.37

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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.