Home / 16,890.22-23,306.49-9,335.53

Finding the Fourth Proportional to 16,890.22, 23,306.49 and 9,335.53

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Solution

The fourth proportional to 16,890.22, 23,306.49 and 9,335.53 is: 12,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.22 : 23,306.49 = 9,335.53 : x
  2. Step 2: Convert to fraction form
    16,890.22/23,306.49 = 9,335.53/x
  3. Step 3: Cross multiply
    16,890.22x = 23,306.49 × 9,335.53
  4. Step 4: Simplify right side
    16,890.22x = 217,578,436.59
  5. Step 5: Solve for x
    x = 217,578,436.59/16,890.22
  6. Step 6: Final answer
    x = 12,881.92

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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.