Home / 11,350.76-15,661.51-6,874.43

Finding the Fourth Proportional to 11,350.76, 15,661.51 and 6,874.43

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Solution

The fourth proportional to 11,350.76, 15,661.51 and 6,874.43 is: 9,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.76 : 15,661.51 = 6,874.43 : x
  2. Step 2: Convert to fraction form
    11,350.76/15,661.51 = 6,874.43/x
  3. Step 3: Cross multiply
    11,350.76x = 15,661.51 × 6,874.43
  4. Step 4: Simplify right side
    11,350.76x = 107,663,976.16
  5. Step 5: Solve for x
    x = 107,663,976.16/11,350.76
  6. Step 6: Final answer
    x = 9,485.18

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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.