Home / 10,885.27-16,306.03-5,680.21

Finding the Fourth Proportional to 10,885.27, 16,306.03 and 5,680.21

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Solution

The fourth proportional to 10,885.27, 16,306.03 and 5,680.21 is: 8,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.27 : 16,306.03 = 5,680.21 : x
  2. Step 2: Convert to fraction form
    10,885.27/16,306.03 = 5,680.21/x
  3. Step 3: Cross multiply
    10,885.27x = 16,306.03 × 5,680.21
  4. Step 4: Simplify right side
    10,885.27x = 92,621,674.67
  5. Step 5: Solve for x
    x = 92,621,674.67/10,885.27
  6. Step 6: Final answer
    x = 8,508.90

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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.