Home / 11,539.47-17,310.49-3,643.11

Finding the Fourth Proportional to 11,539.47, 17,310.49 and 3,643.11

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Solution

The fourth proportional to 11,539.47, 17,310.49 and 3,643.11 is: 5,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.47 : 17,310.49 = 3,643.11 : x
  2. Step 2: Convert to fraction form
    11,539.47/17,310.49 = 3,643.11/x
  3. Step 3: Cross multiply
    11,539.47x = 17,310.49 × 3,643.11
  4. Step 4: Simplify right side
    11,539.47x = 63,064,019.22
  5. Step 5: Solve for x
    x = 63,064,019.22/11,539.47
  6. Step 6: Final answer
    x = 5,465.07

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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.