Home / 8,923.14-13,318.29-7,731.86

Finding the Fourth Proportional to 8,923.14, 13,318.29 and 7,731.86

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Solution

The fourth proportional to 8,923.14, 13,318.29 and 7,731.86 is: 11,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.14 : 13,318.29 = 7,731.86 : x
  2. Step 2: Convert to fraction form
    8,923.14/13,318.29 = 7,731.86/x
  3. Step 3: Cross multiply
    8,923.14x = 13,318.29 × 7,731.86
  4. Step 4: Simplify right side
    8,923.14x = 102,975,087.13
  5. Step 5: Solve for x
    x = 102,975,087.13/8,923.14
  6. Step 6: Final answer
    x = 11,540.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.