Home / 19,841.38-29,769.82-8,740.26

Finding the Fourth Proportional to 19,841.38, 29,769.82 and 8,740.26

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Solution

The fourth proportional to 19,841.38, 29,769.82 and 8,740.26 is: 13,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.38 : 29,769.82 = 8,740.26 : x
  2. Step 2: Convert to fraction form
    19,841.38/29,769.82 = 8,740.26/x
  3. Step 3: Cross multiply
    19,841.38x = 29,769.82 × 8,740.26
  4. Step 4: Simplify right side
    19,841.38x = 260,195,966.95
  5. Step 5: Solve for x
    x = 260,195,966.95/19,841.38
  6. Step 6: Final answer
    x = 13,113.80

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1.5x scale

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.