Home / 20,995.84-31,496.64-6,205.92

Finding the Fourth Proportional to 20,995.84, 31,496.64 and 6,205.92

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Solution

The fourth proportional to 20,995.84, 31,496.64 and 6,205.92 is: 9,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,995.84 : 31,496.64 = 6,205.92 : x
  2. Step 2: Convert to fraction form
    20,995.84/31,496.64 = 6,205.92/x
  3. Step 3: Cross multiply
    20,995.84x = 31,496.64 × 6,205.92
  4. Step 4: Simplify right side
    20,995.84x = 195,465,628.11
  5. Step 5: Solve for x
    x = 195,465,628.11/20,995.84
  6. Step 6: Final answer
    x = 9,309.73

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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.