Home / 19,769.15-29,645.08-5,914.91

Finding the Fourth Proportional to 19,769.15, 29,645.08 and 5,914.91

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Solution

The fourth proportional to 19,769.15, 29,645.08 and 5,914.91 is: 8,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.15 : 29,645.08 = 5,914.91 : x
  2. Step 2: Convert to fraction form
    19,769.15/29,645.08 = 5,914.91/x
  3. Step 3: Cross multiply
    19,769.15x = 29,645.08 × 5,914.91
  4. Step 4: Simplify right side
    19,769.15x = 175,347,980.14
  5. Step 5: Solve for x
    x = 175,347,980.14/19,769.15
  6. Step 6: Final answer
    x = 8,869.78

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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.