Home / 11,859.47-17,790.04-3,538.81

Finding the Fourth Proportional to 11,859.47, 17,790.04 and 3,538.81

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Solution

The fourth proportional to 11,859.47, 17,790.04 and 3,538.81 is: 5,308.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.47 : 17,790.04 = 3,538.81 : x
  2. Step 2: Convert to fraction form
    11,859.47/17,790.04 = 3,538.81/x
  3. Step 3: Cross multiply
    11,859.47x = 17,790.04 × 3,538.81
  4. Step 4: Simplify right side
    11,859.47x = 62,955,531.40
  5. Step 5: Solve for x
    x = 62,955,531.40/11,859.47
  6. Step 6: Final answer
    x = 5,308.46

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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.