Home / 13,442.28-20,165.24-4,676.06

Finding the Fourth Proportional to 13,442.28, 20,165.24 and 4,676.06

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Solution

The fourth proportional to 13,442.28, 20,165.24 and 4,676.06 is: 7,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442.28 : 20,165.24 = 4,676.06 : x
  2. Step 2: Convert to fraction form
    13,442.28/20,165.24 = 4,676.06/x
  3. Step 3: Cross multiply
    13,442.28x = 20,165.24 × 4,676.06
  4. Step 4: Simplify right side
    13,442.28x = 94,293,872.15
  5. Step 5: Solve for x
    x = 94,293,872.15/13,442.28
  6. Step 6: Final answer
    x = 7,014.72

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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.