Home / 11,581.80-17,364.47-9,385.69

Finding the Fourth Proportional to 11,581.80, 17,364.47 and 9,385.69

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Solution

The fourth proportional to 11,581.80, 17,364.47 and 9,385.69 is: 14,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.80 : 17,364.47 = 9,385.69 : x
  2. Step 2: Convert to fraction form
    11,581.80/17,364.47 = 9,385.69/x
  3. Step 3: Cross multiply
    11,581.80x = 17,364.47 × 9,385.69
  4. Step 4: Simplify right side
    11,581.80x = 162,977,442.09
  5. Step 5: Solve for x
    x = 162,977,442.09/11,581.80
  6. Step 6: Final answer
    x = 14,071.86

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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.