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Finding the Fourth Proportional to 9,250.66, 13,940.39 and 8,373.84

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Solution

The fourth proportional to 9,250.66, 13,940.39 and 8,373.84 is: 12,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250.66 : 13,940.39 = 8,373.84 : x
  2. Step 2: Convert to fraction form
    9,250.66/13,940.39 = 8,373.84/x
  3. Step 3: Cross multiply
    9,250.66x = 13,940.39 × 8,373.84
  4. Step 4: Simplify right side
    9,250.66x = 116,734,595.40
  5. Step 5: Solve for x
    x = 116,734,595.40/9,250.66
  6. Step 6: Final answer
    x = 12,619.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.