Home / 19,650.48-29,489.04-7,964.16

Finding the Fourth Proportional to 19,650.48, 29,489.04 and 7,964.16

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Solution

The fourth proportional to 19,650.48, 29,489.04 and 7,964.16 is: 11,951.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.48 : 29,489.04 = 7,964.16 : x
  2. Step 2: Convert to fraction form
    19,650.48/29,489.04 = 7,964.16/x
  3. Step 3: Cross multiply
    19,650.48x = 29,489.04 × 7,964.16
  4. Step 4: Simplify right side
    19,650.48x = 234,855,432.81
  5. Step 5: Solve for x
    x = 234,855,432.81/19,650.48
  6. Step 6: Final answer
    x = 11,951.64

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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.