Home / 11,854.80-17,783.07-3,534.15

Finding the Fourth Proportional to 11,854.80, 17,783.07 and 3,534.15

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Solution

The fourth proportional to 11,854.80, 17,783.07 and 3,534.15 is: 5,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.80 : 17,783.07 = 3,534.15 : x
  2. Step 2: Convert to fraction form
    11,854.80/17,783.07 = 3,534.15/x
  3. Step 3: Cross multiply
    11,854.80x = 17,783.07 × 3,534.15
  4. Step 4: Simplify right side
    11,854.80x = 62,848,036.84
  5. Step 5: Solve for x
    x = 62,848,036.84/11,854.80
  6. Step 6: Final answer
    x = 5,301.48

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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.