Home / 9,543.09-13,169.49-5,294.03

Finding the Fourth Proportional to 9,543.09, 13,169.49 and 5,294.03

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Solution

The fourth proportional to 9,543.09, 13,169.49 and 5,294.03 is: 7,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.09 : 13,169.49 = 5,294.03 : x
  2. Step 2: Convert to fraction form
    9,543.09/13,169.49 = 5,294.03/x
  3. Step 3: Cross multiply
    9,543.09x = 13,169.49 × 5,294.03
  4. Step 4: Simplify right side
    9,543.09x = 69,719,589.44
  5. Step 5: Solve for x
    x = 69,719,589.44/9,543.09
  6. Step 6: Final answer
    x = 7,305.76

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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.