Home / 11,595.20-17,382.40-5,352.05

Finding the Fourth Proportional to 11,595.20, 17,382.40 and 5,352.05

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Solution

The fourth proportional to 11,595.20, 17,382.40 and 5,352.05 is: 8,023.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.20 : 17,382.40 = 5,352.05 : x
  2. Step 2: Convert to fraction form
    11,595.20/17,382.40 = 5,352.05/x
  3. Step 3: Cross multiply
    11,595.20x = 17,382.40 × 5,352.05
  4. Step 4: Simplify right side
    11,595.20x = 93,031,504.00
  5. Step 5: Solve for x
    x = 93,031,504.00/11,595.20
  6. Step 6: Final answer
    x = 8,023.28

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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.