Home / 19,968.92-29,959.14-6,459.79

Finding the Fourth Proportional to 19,968.92, 29,959.14 and 6,459.79

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Solution

The fourth proportional to 19,968.92, 29,959.14 and 6,459.79 is: 9,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.92 : 29,959.14 = 6,459.79 : x
  2. Step 2: Convert to fraction form
    19,968.92/29,959.14 = 6,459.79/x
  3. Step 3: Cross multiply
    19,968.92x = 29,959.14 × 6,459.79
  4. Step 4: Simplify right side
    19,968.92x = 193,529,824.57
  5. Step 5: Solve for x
    x = 193,529,824.57/19,968.92
  6. Step 6: Final answer
    x = 9,691.55

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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.