Home / 8,671.32-13,003.34-6,316.65

Finding the Fourth Proportional to 8,671.32, 13,003.34 and 6,316.65

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Solution

The fourth proportional to 8,671.32, 13,003.34 and 6,316.65 is: 9,472.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671.32 : 13,003.34 = 6,316.65 : x
  2. Step 2: Convert to fraction form
    8,671.32/13,003.34 = 6,316.65/x
  3. Step 3: Cross multiply
    8,671.32x = 13,003.34 × 6,316.65
  4. Step 4: Simplify right side
    8,671.32x = 82,137,516.03
  5. Step 5: Solve for x
    x = 82,137,516.03/8,671.32
  6. Step 6: Final answer
    x = 9,472.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.