Home / 13,595.31-20,389.05-3,734.91

Finding the Fourth Proportional to 13,595.31, 20,389.05 and 3,734.91

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Solution

The fourth proportional to 13,595.31, 20,389.05 and 3,734.91 is: 5,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.31 : 20,389.05 = 3,734.91 : x
  2. Step 2: Convert to fraction form
    13,595.31/20,389.05 = 3,734.91/x
  3. Step 3: Cross multiply
    13,595.31x = 20,389.05 × 3,734.91
  4. Step 4: Simplify right side
    13,595.31x = 76,151,266.74
  5. Step 5: Solve for x
    x = 76,151,266.74/13,595.31
  6. Step 6: Final answer
    x = 5,601.29

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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.