Home / 19,713.06-29,581.38-7,864.74

Finding the Fourth Proportional to 19,713.06, 29,581.38 and 7,864.74

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Solution

The fourth proportional to 19,713.06, 29,581.38 and 7,864.74 is: 11,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.06 : 29,581.38 = 7,864.74 : x
  2. Step 2: Convert to fraction form
    19,713.06/29,581.38 = 7,864.74/x
  3. Step 3: Cross multiply
    19,713.06x = 29,581.38 × 7,864.74
  4. Step 4: Simplify right side
    19,713.06x = 232,649,862.54
  5. Step 5: Solve for x
    x = 232,649,862.54/19,713.06
  6. Step 6: Final answer
    x = 11,801.81

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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.