Home / 14,921.24-20,591.36-8,207.28

Finding the Fourth Proportional to 14,921.24, 20,591.36 and 8,207.28

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Solution

The fourth proportional to 14,921.24, 20,591.36 and 8,207.28 is: 11,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.24 : 20,591.36 = 8,207.28 : x
  2. Step 2: Convert to fraction form
    14,921.24/20,591.36 = 8,207.28/x
  3. Step 3: Cross multiply
    14,921.24x = 20,591.36 × 8,207.28
  4. Step 4: Simplify right side
    14,921.24x = 168,999,057.10
  5. Step 5: Solve for x
    x = 168,999,057.10/14,921.24
  6. Step 6: Final answer
    x = 11,326.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.