Home / 9,505.96-13,122.21-7,007.92

Finding the Fourth Proportional to 9,505.96, 13,122.21 and 7,007.92

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Solution

The fourth proportional to 9,505.96, 13,122.21 and 7,007.92 is: 9,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.96 : 13,122.21 = 7,007.92 : x
  2. Step 2: Convert to fraction form
    9,505.96/13,122.21 = 7,007.92/x
  3. Step 3: Cross multiply
    9,505.96x = 13,122.21 × 7,007.92
  4. Step 4: Simplify right side
    9,505.96x = 91,959,397.90
  5. Step 5: Solve for x
    x = 91,959,397.90/9,505.96
  6. Step 6: Final answer
    x = 9,673.87

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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.