Home / 13,346.52-20,020.80-4,581.36

Finding the Fourth Proportional to 13,346.52, 20,020.80 and 4,581.36

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Solution

The fourth proportional to 13,346.52, 20,020.80 and 4,581.36 is: 6,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.52 : 20,020.80 = 4,581.36 : x
  2. Step 2: Convert to fraction form
    13,346.52/20,020.80 = 4,581.36/x
  3. Step 3: Cross multiply
    13,346.52x = 20,020.80 × 4,581.36
  4. Step 4: Simplify right side
    13,346.52x = 91,722,492.29
  5. Step 5: Solve for x
    x = 91,722,492.29/13,346.52
  6. Step 6: Final answer
    x = 6,872.39

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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.