Home / 13,306.58-19,959.62-3,445.81

Finding the Fourth Proportional to 13,306.58, 19,959.62 and 3,445.81

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Solution

The fourth proportional to 13,306.58, 19,959.62 and 3,445.81 is: 5,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.58 : 19,959.62 = 3,445.81 : x
  2. Step 2: Convert to fraction form
    13,306.58/19,959.62 = 3,445.81/x
  3. Step 3: Cross multiply
    13,306.58x = 19,959.62 × 3,445.81
  4. Step 4: Simplify right side
    13,306.58x = 68,776,991.06
  5. Step 5: Solve for x
    x = 68,776,991.06/13,306.58
  6. Step 6: Final answer
    x = 5,168.65

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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.