Home / 19,810.97-29,721.62-5,770.68

Finding the Fourth Proportional to 19,810.97, 29,721.62 and 5,770.68

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Solution

The fourth proportional to 19,810.97, 29,721.62 and 5,770.68 is: 8,657.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.97 : 29,721.62 = 5,770.68 : x
  2. Step 2: Convert to fraction form
    19,810.97/29,721.62 = 5,770.68/x
  3. Step 3: Cross multiply
    19,810.97x = 29,721.62 × 5,770.68
  4. Step 4: Simplify right side
    19,810.97x = 171,513,958.10
  5. Step 5: Solve for x
    x = 171,513,958.10/19,810.97
  6. Step 6: Final answer
    x = 8,657.52

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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.