Home / 16,315.74-22,517.31-9,146.88

Finding the Fourth Proportional to 16,315.74, 22,517.31 and 9,146.88

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Solution

The fourth proportional to 16,315.74, 22,517.31 and 9,146.88 is: 12,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.74 : 22,517.31 = 9,146.88 : x
  2. Step 2: Convert to fraction form
    16,315.74/22,517.31 = 9,146.88/x
  3. Step 3: Cross multiply
    16,315.74x = 22,517.31 × 9,146.88
  4. Step 4: Simplify right side
    16,315.74x = 205,963,132.49
  5. Step 5: Solve for x
    x = 205,963,132.49/16,315.74
  6. Step 6: Final answer
    x = 12,623.59

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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.