Home / 11,188.57-15,439.30-6,588.61

Finding the Fourth Proportional to 11,188.57, 15,439.30 and 6,588.61

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Solution

The fourth proportional to 11,188.57, 15,439.30 and 6,588.61 is: 9,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.57 : 15,439.30 = 6,588.61 : x
  2. Step 2: Convert to fraction form
    11,188.57/15,439.30 = 6,588.61/x
  3. Step 3: Cross multiply
    11,188.57x = 15,439.30 × 6,588.61
  4. Step 4: Simplify right side
    11,188.57x = 101,723,526.37
  5. Step 5: Solve for x
    x = 101,723,526.37/11,188.57
  6. Step 6: Final answer
    x = 9,091.74

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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.