Home / 9,543.11-13,172.97-7,181.15

Finding the Fourth Proportional to 9,543.11, 13,172.97 and 7,181.15

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Solution

The fourth proportional to 9,543.11, 13,172.97 and 7,181.15 is: 9,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.11 : 13,172.97 = 7,181.15 : x
  2. Step 2: Convert to fraction form
    9,543.11/13,172.97 = 7,181.15/x
  3. Step 3: Cross multiply
    9,543.11x = 13,172.97 × 7,181.15
  4. Step 4: Simplify right side
    9,543.11x = 94,597,007.65
  5. Step 5: Solve for x
    x = 94,597,007.65/9,543.11
  6. Step 6: Final answer
    x = 9,912.60

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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.