Home / 21,750.30-32,630.30-6,960.11

Finding the Fourth Proportional to 21,750.30, 32,630.30 and 6,960.11

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Solution

The fourth proportional to 21,750.30, 32,630.30 and 6,960.11 is: 10,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.30 : 32,630.30 = 6,960.11 : x
  2. Step 2: Convert to fraction form
    21,750.30/32,630.30 = 6,960.11/x
  3. Step 3: Cross multiply
    21,750.30x = 32,630.30 × 6,960.11
  4. Step 4: Simplify right side
    21,750.30x = 227,110,331.58
  5. Step 5: Solve for x
    x = 227,110,331.58/21,750.30
  6. Step 6: Final answer
    x = 10,441.71

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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.