Home / 21,755.24-32,630.76-6,960.16

Finding the Fourth Proportional to 21,755.24, 32,630.76 and 6,960.16

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Solution

The fourth proportional to 21,755.24, 32,630.76 and 6,960.16 is: 10,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755.24 : 32,630.76 = 6,960.16 : x
  2. Step 2: Convert to fraction form
    21,755.24/32,630.76 = 6,960.16/x
  3. Step 3: Cross multiply
    21,755.24x = 32,630.76 × 6,960.16
  4. Step 4: Simplify right side
    21,755.24x = 227,115,310.52
  5. Step 5: Solve for x
    x = 227,115,310.52/21,755.24
  6. Step 6: Final answer
    x = 10,439.57

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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.