Home / 14,718.28-20,311.37-8,003.97

Finding the Fourth Proportional to 14,718.28, 20,311.37 and 8,003.97

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Solution

The fourth proportional to 14,718.28, 20,311.37 and 8,003.97 is: 11,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.28 : 20,311.37 = 8,003.97 : x
  2. Step 2: Convert to fraction form
    14,718.28/20,311.37 = 8,003.97/x
  3. Step 3: Cross multiply
    14,718.28x = 20,311.37 × 8,003.97
  4. Step 4: Simplify right side
    14,718.28x = 162,571,606.90
  5. Step 5: Solve for x
    x = 162,571,606.90/14,718.28
  6. Step 6: Final answer
    x = 11,045.56

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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.