Home / 20,238.66-30,371.46-7,091.01

Finding the Fourth Proportional to 20,238.66, 30,371.46 and 7,091.01

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Solution

The fourth proportional to 20,238.66, 30,371.46 and 7,091.01 is: 10,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238.66 : 30,371.46 = 7,091.01 : x
  2. Step 2: Convert to fraction form
    20,238.66/30,371.46 = 7,091.01/x
  3. Step 3: Cross multiply
    20,238.66x = 30,371.46 × 7,091.01
  4. Step 4: Simplify right side
    20,238.66x = 215,364,326.57
  5. Step 5: Solve for x
    x = 215,364,326.57/20,238.66
  6. Step 6: Final answer
    x = 10,641.23

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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.