Home / 11,388.60-15,716.54-6,352.92

Finding the Fourth Proportional to 11,388.60, 15,716.54 and 6,352.92

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Solution

The fourth proportional to 11,388.60, 15,716.54 and 6,352.92 is: 8,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.60 : 15,716.54 = 6,352.92 : x
  2. Step 2: Convert to fraction form
    11,388.60/15,716.54 = 6,352.92/x
  3. Step 3: Cross multiply
    11,388.60x = 15,716.54 × 6,352.92
  4. Step 4: Simplify right side
    11,388.60x = 99,845,921.30
  5. Step 5: Solve for x
    x = 99,845,921.30/11,388.60
  6. Step 6: Final answer
    x = 8,767.18

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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.