Home / 16,889.21-23,306.52-9,335.55

Finding the Fourth Proportional to 16,889.21, 23,306.52 and 9,335.55

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Solution

The fourth proportional to 16,889.21, 23,306.52 and 9,335.55 is: 12,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.21 : 23,306.52 = 9,335.55 : x
  2. Step 2: Convert to fraction form
    16,889.21/23,306.52 = 9,335.55/x
  3. Step 3: Cross multiply
    16,889.21x = 23,306.52 × 9,335.55
  4. Step 4: Simplify right side
    16,889.21x = 217,579,136.11
  5. Step 5: Solve for x
    x = 217,579,136.11/16,889.21
  6. Step 6: Final answer
    x = 12,882.73

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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.