Home / 20,797.35-31,186.75-6,002.75

Finding the Fourth Proportional to 20,797.35, 31,186.75 and 6,002.75

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Solution

The fourth proportional to 20,797.35, 31,186.75 and 6,002.75 is: 9,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,797.35 : 31,186.75 = 6,002.75 : x
  2. Step 2: Convert to fraction form
    20,797.35/31,186.75 = 6,002.75/x
  3. Step 3: Cross multiply
    20,797.35x = 31,186.75 × 6,002.75
  4. Step 4: Simplify right side
    20,797.35x = 187,206,263.56
  5. Step 5: Solve for x
    x = 187,206,263.56/20,797.35
  6. Step 6: Final answer
    x = 9,001.45

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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.