Home / 9,540.28-13,165.86-5,561.56

Finding the Fourth Proportional to 9,540.28, 13,165.86 and 5,561.56

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Solution

The fourth proportional to 9,540.28, 13,165.86 and 5,561.56 is: 7,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,540.28 : 13,165.86 = 5,561.56 : x
  2. Step 2: Convert to fraction form
    9,540.28/13,165.86 = 5,561.56/x
  3. Step 3: Cross multiply
    9,540.28x = 13,165.86 × 5,561.56
  4. Step 4: Simplify right side
    9,540.28x = 73,222,720.34
  5. Step 5: Solve for x
    x = 73,222,720.34/9,540.28
  6. Step 6: Final answer
    x = 7,675.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.