Home / 11,360.20-17,041.72-3,761.79

Finding the Fourth Proportional to 11,360.20, 17,041.72 and 3,761.79

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Solution

The fourth proportional to 11,360.20, 17,041.72 and 3,761.79 is: 5,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.20 : 17,041.72 = 3,761.79 : x
  2. Step 2: Convert to fraction form
    11,360.20/17,041.72 = 3,761.79/x
  3. Step 3: Cross multiply
    11,360.20x = 17,041.72 × 3,761.79
  4. Step 4: Simplify right side
    11,360.20x = 64,107,362.47
  5. Step 5: Solve for x
    x = 64,107,362.47/11,360.20
  6. Step 6: Final answer
    x = 5,643.16

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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.