Home / 11,325.20-15,628.88-6,608.57

Finding the Fourth Proportional to 11,325.20, 15,628.88 and 6,608.57

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Solution

The fourth proportional to 11,325.20, 15,628.88 and 6,608.57 is: 9,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.20 : 15,628.88 = 6,608.57 : x
  2. Step 2: Convert to fraction form
    11,325.20/15,628.88 = 6,608.57/x
  3. Step 3: Cross multiply
    11,325.20x = 15,628.88 × 6,608.57
  4. Step 4: Simplify right side
    11,325.20x = 103,284,514.46
  5. Step 5: Solve for x
    x = 103,284,514.46/11,325.20
  6. Step 6: Final answer
    x = 9,119.88

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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.