Home / 11,522.30-15,901.08-6,486.71

Finding the Fourth Proportional to 11,522.30, 15,901.08 and 6,486.71

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Solution

The fourth proportional to 11,522.30, 15,901.08 and 6,486.71 is: 8,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.30 : 15,901.08 = 6,486.71 : x
  2. Step 2: Convert to fraction form
    11,522.30/15,901.08 = 6,486.71/x
  3. Step 3: Cross multiply
    11,522.30x = 15,901.08 × 6,486.71
  4. Step 4: Simplify right side
    11,522.30x = 103,145,615.14
  5. Step 5: Solve for x
    x = 103,145,615.14/11,522.30
  6. Step 6: Final answer
    x = 8,951.83

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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.