Home / 13,042.28-19,566.30-3,809

Finding the Fourth Proportional to 13,042.28, 19,566.30 and 3,809

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Solution

The fourth proportional to 13,042.28, 19,566.30 and 3,809 is: 5,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.28 : 19,566.30 = 3,809 : x
  2. Step 2: Convert to fraction form
    13,042.28/19,566.30 = 3,809/x
  3. Step 3: Cross multiply
    13,042.28x = 19,566.30 × 3,809
  4. Step 4: Simplify right side
    13,042.28x = 74,528,036.70
  5. Step 5: Solve for x
    x = 74,528,036.70/13,042.28
  6. Step 6: Final answer
    x = 5,714.34

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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.