Home / 10,245.44-15,365.99-5,242.45

Finding the Fourth Proportional to 10,245.44, 15,365.99 and 5,242.45

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Solution

The fourth proportional to 10,245.44, 15,365.99 and 5,242.45 is: 7,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.44 : 15,365.99 = 5,242.45 : x
  2. Step 2: Convert to fraction form
    10,245.44/15,365.99 = 5,242.45/x
  3. Step 3: Cross multiply
    10,245.44x = 15,365.99 × 5,242.45
  4. Step 4: Simplify right side
    10,245.44x = 80,555,387.19
  5. Step 5: Solve for x
    x = 80,555,387.19/10,245.44
  6. Step 6: Final answer
    x = 7,862.56

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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.