Home / 13,411.04-20,123.22-6,020.72

Finding the Fourth Proportional to 13,411.04, 20,123.22 and 6,020.72

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Solution

The fourth proportional to 13,411.04, 20,123.22 and 6,020.72 is: 9,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.04 : 20,123.22 = 6,020.72 : x
  2. Step 2: Convert to fraction form
    13,411.04/20,123.22 = 6,020.72/x
  3. Step 3: Cross multiply
    13,411.04x = 20,123.22 × 6,020.72
  4. Step 4: Simplify right side
    13,411.04x = 121,156,273.12
  5. Step 5: Solve for x
    x = 121,156,273.12/13,411.04
  6. Step 6: Final answer
    x = 9,034.07

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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.