Home / 11,388.52-15,716.28-6,353.17

Finding the Fourth Proportional to 11,388.52, 15,716.28 and 6,353.17

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Solution

The fourth proportional to 11,388.52, 15,716.28 and 6,353.17 is: 8,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.52 : 15,716.28 = 6,353.17 : x
  2. Step 2: Convert to fraction form
    11,388.52/15,716.28 = 6,353.17/x
  3. Step 3: Cross multiply
    11,388.52x = 15,716.28 × 6,353.17
  4. Step 4: Simplify right side
    11,388.52x = 99,848,198.61
  5. Step 5: Solve for x
    x = 99,848,198.61/11,388.52
  6. Step 6: Final answer
    x = 8,767.44

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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.