Home / 10,445.85-15,674.91-3,876.60

Finding the Fourth Proportional to 10,445.85, 15,674.91 and 3,876.60

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Solution

The fourth proportional to 10,445.85, 15,674.91 and 3,876.60 is: 5,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.85 : 15,674.91 = 3,876.60 : x
  2. Step 2: Convert to fraction form
    10,445.85/15,674.91 = 3,876.60/x
  3. Step 3: Cross multiply
    10,445.85x = 15,674.91 × 3,876.60
  4. Step 4: Simplify right side
    10,445.85x = 60,765,356.11
  5. Step 5: Solve for x
    x = 60,765,356.11/10,445.85
  6. Step 6: Final answer
    x = 5,817.18

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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.