Home / 21,960.30-32,946.57-7,170.11

Finding the Fourth Proportional to 21,960.30, 32,946.57 and 7,170.11

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Solution

The fourth proportional to 21,960.30, 32,946.57 and 7,170.11 is: 10,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960.30 : 32,946.57 = 7,170.11 : x
  2. Step 2: Convert to fraction form
    21,960.30/32,946.57 = 7,170.11/x
  3. Step 3: Cross multiply
    21,960.30x = 32,946.57 × 7,170.11
  4. Step 4: Simplify right side
    21,960.30x = 236,230,366.29
  5. Step 5: Solve for x
    x = 236,230,366.29/21,960.30
  6. Step 6: Final answer
    x = 10,757.16

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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.