Home / 8,255.24-12,372.06-7,155.08

Finding the Fourth Proportional to 8,255.24, 12,372.06 and 7,155.08

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Solution

The fourth proportional to 8,255.24, 12,372.06 and 7,155.08 is: 10,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.24 : 12,372.06 = 7,155.08 : x
  2. Step 2: Convert to fraction form
    8,255.24/12,372.06 = 7,155.08/x
  3. Step 3: Cross multiply
    8,255.24x = 12,372.06 × 7,155.08
  4. Step 4: Simplify right side
    8,255.24x = 88,523,079.06
  5. Step 5: Solve for x
    x = 88,523,079.06/8,255.24
  6. Step 6: Final answer
    x = 10,723.26

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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.