Home / 10,945.56-16,419.42-4,370.20

Finding the Fourth Proportional to 10,945.56, 16,419.42 and 4,370.20

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Solution

The fourth proportional to 10,945.56, 16,419.42 and 4,370.20 is: 6,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.56 : 16,419.42 = 4,370.20 : x
  2. Step 2: Convert to fraction form
    10,945.56/16,419.42 = 4,370.20/x
  3. Step 3: Cross multiply
    10,945.56x = 16,419.42 × 4,370.20
  4. Step 4: Simplify right side
    10,945.56x = 71,756,149.28
  5. Step 5: Solve for x
    x = 71,756,149.28/10,945.56
  6. Step 6: Final answer
    x = 6,555.73

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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.