Home / 11,489.28-17,194.88-6,875.52

Finding the Fourth Proportional to 11,489.28, 17,194.88 and 6,875.52

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Solution

The fourth proportional to 11,489.28, 17,194.88 and 6,875.52 is: 10,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.28 : 17,194.88 = 6,875.52 : x
  2. Step 2: Convert to fraction form
    11,489.28/17,194.88 = 6,875.52/x
  3. Step 3: Cross multiply
    11,489.28x = 17,194.88 × 6,875.52
  4. Step 4: Simplify right side
    11,489.28x = 118,223,741.34
  5. Step 5: Solve for x
    x = 118,223,741.34/11,489.28
  6. Step 6: Final answer
    x = 10,289.92

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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.