Home / 9,531.34-13,145.99-8,350.36

Finding the Fourth Proportional to 9,531.34, 13,145.99 and 8,350.36

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Solution

The fourth proportional to 9,531.34, 13,145.99 and 8,350.36 is: 11,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.34 : 13,145.99 = 8,350.36 : x
  2. Step 2: Convert to fraction form
    9,531.34/13,145.99 = 8,350.36/x
  3. Step 3: Cross multiply
    9,531.34x = 13,145.99 × 8,350.36
  4. Step 4: Simplify right side
    9,531.34x = 109,773,674.44
  5. Step 5: Solve for x
    x = 109,773,674.44/9,531.34
  6. Step 6: Final answer
    x = 11,517.13

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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.