Home / 11,588.32-15,991.88-6,283.14

Finding the Fourth Proportional to 11,588.32, 15,991.88 and 6,283.14

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Solution

The fourth proportional to 11,588.32, 15,991.88 and 6,283.14 is: 8,670.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,588.32 : 15,991.88 = 6,283.14 : x
  2. Step 2: Convert to fraction form
    11,588.32/15,991.88 = 6,283.14/x
  3. Step 3: Cross multiply
    11,588.32x = 15,991.88 × 6,283.14
  4. Step 4: Simplify right side
    11,588.32x = 100,479,220.90
  5. Step 5: Solve for x
    x = 100,479,220.90/11,588.32
  6. Step 6: Final answer
    x = 8,670.73

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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.