Home / 11,041.20-15,238.08-6,325.44

Finding the Fourth Proportional to 11,041.20, 15,238.08 and 6,325.44

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Solution

The fourth proportional to 11,041.20, 15,238.08 and 6,325.44 is: 8,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,041.20 : 15,238.08 = 6,325.44 : x
  2. Step 2: Convert to fraction form
    11,041.20/15,238.08 = 6,325.44/x
  3. Step 3: Cross multiply
    11,041.20x = 15,238.08 × 6,325.44
  4. Step 4: Simplify right side
    11,041.20x = 96,387,560.76
  5. Step 5: Solve for x
    x = 96,387,560.76/11,041.20
  6. Step 6: Final answer
    x = 8,729.81

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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.