Home / 13,158.10-19,719.87-6,234.58

Finding the Fourth Proportional to 13,158.10, 19,719.87 and 6,234.58

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Solution

The fourth proportional to 13,158.10, 19,719.87 and 6,234.58 is: 9,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.10 : 19,719.87 = 6,234.58 : x
  2. Step 2: Convert to fraction form
    13,158.10/19,719.87 = 6,234.58/x
  3. Step 3: Cross multiply
    13,158.10x = 19,719.87 × 6,234.58
  4. Step 4: Simplify right side
    13,158.10x = 122,945,107.10
  5. Step 5: Solve for x
    x = 122,945,107.10/13,158.10
  6. Step 6: Final answer
    x = 9,343.68

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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.