Home / 15,449.54-23,118.96-13,376.69

Finding the Fourth Proportional to 15,449.54, 23,118.96 and 13,376.69

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Solution

The fourth proportional to 15,449.54, 23,118.96 and 13,376.69 is: 20,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.54 : 23,118.96 = 13,376.69 : x
  2. Step 2: Convert to fraction form
    15,449.54/23,118.96 = 13,376.69/x
  3. Step 3: Cross multiply
    15,449.54x = 23,118.96 × 13,376.69
  4. Step 4: Simplify right side
    15,449.54x = 309,255,161.04
  5. Step 5: Solve for x
    x = 309,255,161.04/15,449.54
  6. Step 6: Final answer
    x = 20,017.11

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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.