Home / 10,422.39-14,382.99-6,173.69

Finding the Fourth Proportional to 10,422.39, 14,382.99 and 6,173.69

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Solution

The fourth proportional to 10,422.39, 14,382.99 and 6,173.69 is: 8,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.39 : 14,382.99 = 6,173.69 : x
  2. Step 2: Convert to fraction form
    10,422.39/14,382.99 = 6,173.69/x
  3. Step 3: Cross multiply
    10,422.39x = 14,382.99 × 6,173.69
  4. Step 4: Simplify right side
    10,422.39x = 88,796,121.53
  5. Step 5: Solve for x
    x = 88,796,121.53/10,422.39
  6. Step 6: Final answer
    x = 8,519.75

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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.