Home / 19,664.20-29,491.98-6,517.54

Finding the Fourth Proportional to 19,664.20, 29,491.98 and 6,517.54

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Solution

The fourth proportional to 19,664.20, 29,491.98 and 6,517.54 is: 9,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.20 : 29,491.98 = 6,517.54 : x
  2. Step 2: Convert to fraction form
    19,664.20/29,491.98 = 6,517.54/x
  3. Step 3: Cross multiply
    19,664.20x = 29,491.98 × 6,517.54
  4. Step 4: Simplify right side
    19,664.20x = 192,215,159.33
  5. Step 5: Solve for x
    x = 192,215,159.33/19,664.20
  6. Step 6: Final answer
    x = 9,774.88

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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.