Home / 9,543.75-13,170.38-5,353.35

Finding the Fourth Proportional to 9,543.75, 13,170.38 and 5,353.35

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Solution

The fourth proportional to 9,543.75, 13,170.38 and 5,353.35 is: 7,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.75 : 13,170.38 = 5,353.35 : x
  2. Step 2: Convert to fraction form
    9,543.75/13,170.38 = 5,353.35/x
  3. Step 3: Cross multiply
    9,543.75x = 13,170.38 × 5,353.35
  4. Step 4: Simplify right side
    9,543.75x = 70,505,627.01
  5. Step 5: Solve for x
    x = 70,505,627.01/9,543.75
  6. Step 6: Final answer
    x = 7,387.62

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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.