Home / 15,321.92-22,961.62-6,981.56

Finding the Fourth Proportional to 15,321.92, 22,961.62 and 6,981.56

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Solution

The fourth proportional to 15,321.92, 22,961.62 and 6,981.56 is: 10,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.92 : 22,961.62 = 6,981.56 : x
  2. Step 2: Convert to fraction form
    15,321.92/22,961.62 = 6,981.56/x
  3. Step 3: Cross multiply
    15,321.92x = 22,961.62 × 6,981.56
  4. Step 4: Simplify right side
    15,321.92x = 160,307,795.47
  5. Step 5: Solve for x
    x = 160,307,795.47/15,321.92
  6. Step 6: Final answer
    x = 10,462.64

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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.