Home / 10,242.14-14,118.80-8,350.82

Finding the Fourth Proportional to 10,242.14, 14,118.80 and 8,350.82

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Solution

The fourth proportional to 10,242.14, 14,118.80 and 8,350.82 is: 11,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.14 : 14,118.80 = 8,350.82 : x
  2. Step 2: Convert to fraction form
    10,242.14/14,118.80 = 8,350.82/x
  3. Step 3: Cross multiply
    10,242.14x = 14,118.80 × 8,350.82
  4. Step 4: Simplify right side
    10,242.14x = 117,903,515.66
  5. Step 5: Solve for x
    x = 117,903,515.66/10,242.14
  6. Step 6: Final answer
    x = 11,511.61

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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.