Home / 21,459.20-32,188.82-6,668.13

Finding the Fourth Proportional to 21,459.20, 32,188.82 and 6,668.13

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Solution

The fourth proportional to 21,459.20, 32,188.82 and 6,668.13 is: 10,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.20 : 32,188.82 = 6,668.13 : x
  2. Step 2: Convert to fraction form
    21,459.20/32,188.82 = 6,668.13/x
  3. Step 3: Cross multiply
    21,459.20x = 32,188.82 × 6,668.13
  4. Step 4: Simplify right side
    21,459.20x = 214,639,202.97
  5. Step 5: Solve for x
    x = 214,639,202.97/21,459.20
  6. Step 6: Final answer
    x = 10,002.20

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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.