Home / 11,132.60-15,360.78-6,352.42

Finding the Fourth Proportional to 11,132.60, 15,360.78 and 6,352.42

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Solution

The fourth proportional to 11,132.60, 15,360.78 and 6,352.42 is: 8,765.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.60 : 15,360.78 = 6,352.42 : x
  2. Step 2: Convert to fraction form
    11,132.60/15,360.78 = 6,352.42/x
  3. Step 3: Cross multiply
    11,132.60x = 15,360.78 × 6,352.42
  4. Step 4: Simplify right side
    11,132.60x = 97,578,126.09
  5. Step 5: Solve for x
    x = 97,578,126.09/11,132.60
  6. Step 6: Final answer
    x = 8,765.08

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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.