Home / 10,161.04-15,241.96-3,140.44

Finding the Fourth Proportional to 10,161.04, 15,241.96 and 3,140.44

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Solution

The fourth proportional to 10,161.04, 15,241.96 and 3,140.44 is: 4,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.04 : 15,241.96 = 3,140.44 : x
  2. Step 2: Convert to fraction form
    10,161.04/15,241.96 = 3,140.44/x
  3. Step 3: Cross multiply
    10,161.04x = 15,241.96 × 3,140.44
  4. Step 4: Simplify right side
    10,161.04x = 47,866,460.86
  5. Step 5: Solve for x
    x = 47,866,460.86/10,161.04
  6. Step 6: Final answer
    x = 4,710.78

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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.