Home / 11,568.48-15,966-6,601.44

Finding the Fourth Proportional to 11,568.48, 15,966 and 6,601.44

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Solution

The fourth proportional to 11,568.48, 15,966 and 6,601.44 is: 9,110.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.48 : 15,966 = 6,601.44 : x
  2. Step 2: Convert to fraction form
    11,568.48/15,966 = 6,601.44/x
  3. Step 3: Cross multiply
    11,568.48x = 15,966 × 6,601.44
  4. Step 4: Simplify right side
    11,568.48x = 105,398,591.04
  5. Step 5: Solve for x
    x = 105,398,591.04/11,568.48
  6. Step 6: Final answer
    x = 9,110.84

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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.