Home / 16,882.18-25,338.60-8,991.30

Finding the Fourth Proportional to 16,882.18, 25,338.60 and 8,991.30

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Solution

The fourth proportional to 16,882.18, 25,338.60 and 8,991.30 is: 13,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,882.18 : 25,338.60 = 8,991.30 : x
  2. Step 2: Convert to fraction form
    16,882.18/25,338.60 = 8,991.30/x
  3. Step 3: Cross multiply
    16,882.18x = 25,338.60 × 8,991.30
  4. Step 4: Simplify right side
    16,882.18x = 227,826,954.18
  5. Step 5: Solve for x
    x = 227,826,954.18/16,882.18
  6. Step 6: Final answer
    x = 13,495.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.