Home / 13,244.32-18,276.42-7,936.48

Finding the Fourth Proportional to 13,244.32, 18,276.42 and 7,936.48

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Solution

The fourth proportional to 13,244.32, 18,276.42 and 7,936.48 is: 10,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.32 : 18,276.42 = 7,936.48 : x
  2. Step 2: Convert to fraction form
    13,244.32/18,276.42 = 7,936.48/x
  3. Step 3: Cross multiply
    13,244.32x = 18,276.42 × 7,936.48
  4. Step 4: Simplify right side
    13,244.32x = 145,050,441.80
  5. Step 5: Solve for x
    x = 145,050,441.80/13,244.32
  6. Step 6: Final answer
    x = 10,951.90

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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.