Home / 9,543.44-13,170.24-5,351.84

Finding the Fourth Proportional to 9,543.44, 13,170.24 and 5,351.84

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Solution

The fourth proportional to 9,543.44, 13,170.24 and 5,351.84 is: 7,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.44 : 13,170.24 = 5,351.84 : x
  2. Step 2: Convert to fraction form
    9,543.44/13,170.24 = 5,351.84/x
  3. Step 3: Cross multiply
    9,543.44x = 13,170.24 × 5,351.84
  4. Step 4: Simplify right side
    9,543.44x = 70,485,017.24
  5. Step 5: Solve for x
    x = 70,485,017.24/9,543.44
  6. Step 6: Final answer
    x = 7,385.70

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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.