Home / 11,729.73-17,587.65-4,713.07

Finding the Fourth Proportional to 11,729.73, 17,587.65 and 4,713.07

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Solution

The fourth proportional to 11,729.73, 17,587.65 and 4,713.07 is: 7,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.73 : 17,587.65 = 4,713.07 : x
  2. Step 2: Convert to fraction form
    11,729.73/17,587.65 = 4,713.07/x
  3. Step 3: Cross multiply
    11,729.73x = 17,587.65 × 4,713.07
  4. Step 4: Simplify right side
    11,729.73x = 82,891,825.59
  5. Step 5: Solve for x
    x = 82,891,825.59/11,729.73
  6. Step 6: Final answer
    x = 7,066.81

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1.5x scale

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.