Home / 15,715.96-23,572.30-6,360.86

Finding the Fourth Proportional to 15,715.96, 23,572.30 and 6,360.86

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Solution

The fourth proportional to 15,715.96, 23,572.30 and 6,360.86 is: 9,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.96 : 23,572.30 = 6,360.86 : x
  2. Step 2: Convert to fraction form
    15,715.96/23,572.30 = 6,360.86/x
  3. Step 3: Cross multiply
    15,715.96x = 23,572.30 × 6,360.86
  4. Step 4: Simplify right side
    15,715.96x = 149,940,100.18
  5. Step 5: Solve for x
    x = 149,940,100.18/15,715.96
  6. Step 6: Final answer
    x = 9,540.63

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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.