Home / 20,401.77-30,599.78-6,548.97

Finding the Fourth Proportional to 20,401.77, 30,599.78 and 6,548.97

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Solution

The fourth proportional to 20,401.77, 30,599.78 and 6,548.97 is: 9,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401.77 : 30,599.78 = 6,548.97 : x
  2. Step 2: Convert to fraction form
    20,401.77/30,599.78 = 6,548.97/x
  3. Step 3: Cross multiply
    20,401.77x = 30,599.78 × 6,548.97
  4. Step 4: Simplify right side
    20,401.77x = 200,397,008.48
  5. Step 5: Solve for x
    x = 200,397,008.48/20,401.77
  6. Step 6: Final answer
    x = 9,822.53

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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.