Home / 16,676.28-23,012.30-9,121.10

Finding the Fourth Proportional to 16,676.28, 23,012.30 and 9,121.10

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Solution

The fourth proportional to 16,676.28, 23,012.30 and 9,121.10 is: 12,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676.28 : 23,012.30 = 9,121.10 : x
  2. Step 2: Convert to fraction form
    16,676.28/23,012.30 = 9,121.10/x
  3. Step 3: Cross multiply
    16,676.28x = 23,012.30 × 9,121.10
  4. Step 4: Simplify right side
    16,676.28x = 209,897,489.53
  5. Step 5: Solve for x
    x = 209,897,489.53/16,676.28
  6. Step 6: Final answer
    x = 12,586.59

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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.