Home / 11,789.64-17,681.04-4,767.48

Finding the Fourth Proportional to 11,789.64, 17,681.04 and 4,767.48

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Solution

The fourth proportional to 11,789.64, 17,681.04 and 4,767.48 is: 7,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.64 : 17,681.04 = 4,767.48 : x
  2. Step 2: Convert to fraction form
    11,789.64/17,681.04 = 4,767.48/x
  3. Step 3: Cross multiply
    11,789.64x = 17,681.04 × 4,767.48
  4. Step 4: Simplify right side
    11,789.64x = 84,294,004.58
  5. Step 5: Solve for x
    x = 84,294,004.58/11,789.64
  6. Step 6: Final answer
    x = 7,149.84

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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.