Home / 16,162.79-22,304.43-9,089.21

Finding the Fourth Proportional to 16,162.79, 22,304.43 and 9,089.21

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Solution

The fourth proportional to 16,162.79, 22,304.43 and 9,089.21 is: 12,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,162.79 : 22,304.43 = 9,089.21 : x
  2. Step 2: Convert to fraction form
    16,162.79/22,304.43 = 9,089.21/x
  3. Step 3: Cross multiply
    16,162.79x = 22,304.43 × 9,089.21
  4. Step 4: Simplify right side
    16,162.79x = 202,729,648.20
  5. Step 5: Solve for x
    x = 202,729,648.20/16,162.79
  6. Step 6: Final answer
    x = 12,542.99

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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.