Home / 13,410.11-20,110.61-4,642.97

Finding the Fourth Proportional to 13,410.11, 20,110.61 and 4,642.97

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Solution

The fourth proportional to 13,410.11, 20,110.61 and 4,642.97 is: 6,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.11 : 20,110.61 = 4,642.97 : x
  2. Step 2: Convert to fraction form
    13,410.11/20,110.61 = 4,642.97/x
  3. Step 3: Cross multiply
    13,410.11x = 20,110.61 × 4,642.97
  4. Step 4: Simplify right side
    13,410.11x = 93,372,835.14
  5. Step 5: Solve for x
    x = 93,372,835.14/13,410.11
  6. Step 6: Final answer
    x = 6,962.87

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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.