Home / 9,639.20-14,467.01-6,872.65

Finding the Fourth Proportional to 9,639.20, 14,467.01 and 6,872.65

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Solution

The fourth proportional to 9,639.20, 14,467.01 and 6,872.65 is: 10,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.20 : 14,467.01 = 6,872.65 : x
  2. Step 2: Convert to fraction form
    9,639.20/14,467.01 = 6,872.65/x
  3. Step 3: Cross multiply
    9,639.20x = 14,467.01 × 6,872.65
  4. Step 4: Simplify right side
    9,639.20x = 99,426,625.75
  5. Step 5: Solve for x
    x = 99,426,625.75/9,639.20
  6. Step 6: Final answer
    x = 10,314.82

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1.5x scale

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.