Home / 11,827.80-17,741.70-3,509.10

Finding the Fourth Proportional to 11,827.80, 17,741.70 and 3,509.10

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Solution

The fourth proportional to 11,827.80, 17,741.70 and 3,509.10 is: 5,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.80 : 17,741.70 = 3,509.10 : x
  2. Step 2: Convert to fraction form
    11,827.80/17,741.70 = 3,509.10/x
  3. Step 3: Cross multiply
    11,827.80x = 17,741.70 × 3,509.10
  4. Step 4: Simplify right side
    11,827.80x = 62,257,399.47
  5. Step 5: Solve for x
    x = 62,257,399.47/11,827.80
  6. Step 6: Final answer
    x = 5,263.65

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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.