Home / 9,320.27-13,987.23-6,861.71

Finding the Fourth Proportional to 9,320.27, 13,987.23 and 6,861.71

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Solution

The fourth proportional to 9,320.27, 13,987.23 and 6,861.71 is: 10,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.27 : 13,987.23 = 6,861.71 : x
  2. Step 2: Convert to fraction form
    9,320.27/13,987.23 = 6,861.71/x
  3. Step 3: Cross multiply
    9,320.27x = 13,987.23 × 6,861.71
  4. Step 4: Simplify right side
    9,320.27x = 95,976,363.80
  5. Step 5: Solve for x
    x = 95,976,363.80/9,320.27
  6. Step 6: Final answer
    x = 10,297.60

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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.