Home / 13,502.16-20,250.36-4,268.88

Finding the Fourth Proportional to 13,502.16, 20,250.36 and 4,268.88

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Solution

The fourth proportional to 13,502.16, 20,250.36 and 4,268.88 is: 6,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.16 : 20,250.36 = 4,268.88 : x
  2. Step 2: Convert to fraction form
    13,502.16/20,250.36 = 4,268.88/x
  3. Step 3: Cross multiply
    13,502.16x = 20,250.36 × 4,268.88
  4. Step 4: Simplify right side
    13,502.16x = 86,446,356.80
  5. Step 5: Solve for x
    x = 86,446,356.80/13,502.16
  6. Step 6: Final answer
    x = 6,402.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.