Home / 10,654.86-15,982.20-2,756.70

Finding the Fourth Proportional to 10,654.86, 15,982.20 and 2,756.70

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Solution

The fourth proportional to 10,654.86, 15,982.20 and 2,756.70 is: 4,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.86 : 15,982.20 = 2,756.70 : x
  2. Step 2: Convert to fraction form
    10,654.86/15,982.20 = 2,756.70/x
  3. Step 3: Cross multiply
    10,654.86x = 15,982.20 × 2,756.70
  4. Step 4: Simplify right side
    10,654.86x = 44,058,130.74
  5. Step 5: Solve for x
    x = 44,058,130.74/10,654.86
  6. Step 6: Final answer
    x = 4,135.03

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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.