Home / 11,513.28-17,287.20-6,588.48

Finding the Fourth Proportional to 11,513.28, 17,287.20 and 6,588.48

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Solution

The fourth proportional to 11,513.28, 17,287.20 and 6,588.48 is: 9,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.28 : 17,287.20 = 6,588.48 : x
  2. Step 2: Convert to fraction form
    11,513.28/17,287.20 = 6,588.48/x
  3. Step 3: Cross multiply
    11,513.28x = 17,287.20 × 6,588.48
  4. Step 4: Simplify right side
    11,513.28x = 113,896,371.46
  5. Step 5: Solve for x
    x = 113,896,371.46/11,513.28
  6. Step 6: Final answer
    x = 9,892.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.