Home / 14,247.12-19,659.60-7,958.28

Finding the Fourth Proportional to 14,247.12, 19,659.60 and 7,958.28

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Solution

The fourth proportional to 14,247.12, 19,659.60 and 7,958.28 is: 10,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.12 : 19,659.60 = 7,958.28 : x
  2. Step 2: Convert to fraction form
    14,247.12/19,659.60 = 7,958.28/x
  3. Step 3: Cross multiply
    14,247.12x = 19,659.60 × 7,958.28
  4. Step 4: Simplify right side
    14,247.12x = 156,456,601.49
  5. Step 5: Solve for x
    x = 156,456,601.49/14,247.12
  6. Step 6: Final answer
    x = 10,981.63

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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.