Home / 16,401.32-22,631.66-9,326.20

Finding the Fourth Proportional to 16,401.32, 22,631.66 and 9,326.20

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Solution

The fourth proportional to 16,401.32, 22,631.66 and 9,326.20 is: 12,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,401.32 : 22,631.66 = 9,326.20 : x
  2. Step 2: Convert to fraction form
    16,401.32/22,631.66 = 9,326.20/x
  3. Step 3: Cross multiply
    16,401.32x = 22,631.66 × 9,326.20
  4. Step 4: Simplify right side
    16,401.32x = 211,067,387.49
  5. Step 5: Solve for x
    x = 211,067,387.49/16,401.32
  6. Step 6: Final answer
    x = 12,868.93

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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.