Home / 20,996.84-31,498.14-6,206.92

Finding the Fourth Proportional to 20,996.84, 31,498.14 and 6,206.92

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Solution

The fourth proportional to 20,996.84, 31,498.14 and 6,206.92 is: 9,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996.84 : 31,498.14 = 6,206.92 : x
  2. Step 2: Convert to fraction form
    20,996.84/31,498.14 = 6,206.92/x
  3. Step 3: Cross multiply
    20,996.84x = 31,498.14 × 6,206.92
  4. Step 4: Simplify right side
    20,996.84x = 195,506,435.13
  5. Step 5: Solve for x
    x = 195,506,435.13/20,996.84
  6. Step 6: Final answer
    x = 9,311.23

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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.