Home / 40,009.12-60,016.79-11,927.03

Finding the Fourth Proportional to 40,009.12, 60,016.79 and 11,927.03

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Solution

The fourth proportional to 40,009.12, 60,016.79 and 11,927.03 is: 17,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.12 : 60,016.79 = 11,927.03 : x
  2. Step 2: Convert to fraction form
    40,009.12/60,016.79 = 11,927.03/x
  3. Step 3: Cross multiply
    40,009.12x = 60,016.79 × 11,927.03
  4. Step 4: Simplify right side
    40,009.12x = 715,821,784.57
  5. Step 5: Solve for x
    x = 715,821,784.57/40,009.12
  6. Step 6: Final answer
    x = 17,891.47

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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.