Home / 16,230.80-22,398.80-9,521.24

Finding the Fourth Proportional to 16,230.80, 22,398.80 and 9,521.24

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Solution

The fourth proportional to 16,230.80, 22,398.80 and 9,521.24 is: 13,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.80 : 22,398.80 = 9,521.24 : x
  2. Step 2: Convert to fraction form
    16,230.80/22,398.80 = 9,521.24/x
  3. Step 3: Cross multiply
    16,230.80x = 22,398.80 × 9,521.24
  4. Step 4: Simplify right side
    16,230.80x = 213,264,350.51
  5. Step 5: Solve for x
    x = 213,264,350.51/16,230.80
  6. Step 6: Final answer
    x = 13,139.48

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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.