Home / 19,869.76-29,786.12-6,712.93

Finding the Fourth Proportional to 19,869.76, 29,786.12 and 6,712.93

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Solution

The fourth proportional to 19,869.76, 29,786.12 and 6,712.93 is: 10,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.76 : 29,786.12 = 6,712.93 : x
  2. Step 2: Convert to fraction form
    19,869.76/29,786.12 = 6,712.93/x
  3. Step 3: Cross multiply
    19,869.76x = 29,786.12 × 6,712.93
  4. Step 4: Simplify right side
    19,869.76x = 199,952,179.43
  5. Step 5: Solve for x
    x = 199,952,179.43/19,869.76
  6. Step 6: Final answer
    x = 10,063.14

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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.