Home / 13,394.29-20,089.72-3,534.31

Finding the Fourth Proportional to 13,394.29, 20,089.72 and 3,534.31

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Solution

The fourth proportional to 13,394.29, 20,089.72 and 3,534.31 is: 5,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.29 : 20,089.72 = 3,534.31 : x
  2. Step 2: Convert to fraction form
    13,394.29/20,089.72 = 3,534.31/x
  3. Step 3: Cross multiply
    13,394.29x = 20,089.72 × 3,534.31
  4. Step 4: Simplify right side
    13,394.29x = 71,003,298.29
  5. Step 5: Solve for x
    x = 71,003,298.29/13,394.29
  6. Step 6: Final answer
    x = 5,301.01

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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.