Home / 11,091.08-15,307.02-6,375.20

Finding the Fourth Proportional to 11,091.08, 15,307.02 and 6,375.20

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Solution

The fourth proportional to 11,091.08, 15,307.02 and 6,375.20 is: 8,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.08 : 15,307.02 = 6,375.20 : x
  2. Step 2: Convert to fraction form
    11,091.08/15,307.02 = 6,375.20/x
  3. Step 3: Cross multiply
    11,091.08x = 15,307.02 × 6,375.20
  4. Step 4: Simplify right side
    11,091.08x = 97,585,313.90
  5. Step 5: Solve for x
    x = 97,585,313.90/11,091.08
  6. Step 6: Final answer
    x = 8,798.54

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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.