Home / 11,045.11-15,242.66-6,330.30

Finding the Fourth Proportional to 11,045.11, 15,242.66 and 6,330.30

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Solution

The fourth proportional to 11,045.11, 15,242.66 and 6,330.30 is: 8,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.11 : 15,242.66 = 6,330.30 : x
  2. Step 2: Convert to fraction form
    11,045.11/15,242.66 = 6,330.30/x
  3. Step 3: Cross multiply
    11,045.11x = 15,242.66 × 6,330.30
  4. Step 4: Simplify right side
    11,045.11x = 96,490,610.60
  5. Step 5: Solve for x
    x = 96,490,610.60/11,045.11
  6. Step 6: Final answer
    x = 8,736.05

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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.