Home / 20,803.26-31,204.88-6,952.26

Finding the Fourth Proportional to 20,803.26, 31,204.88 and 6,952.26

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Solution

The fourth proportional to 20,803.26, 31,204.88 and 6,952.26 is: 10,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803.26 : 31,204.88 = 6,952.26 : x
  2. Step 2: Convert to fraction form
    20,803.26/31,204.88 = 6,952.26/x
  3. Step 3: Cross multiply
    20,803.26x = 31,204.88 × 6,952.26
  4. Step 4: Simplify right side
    20,803.26x = 216,944,439.03
  5. Step 5: Solve for x
    x = 216,944,439.03/20,803.26
  6. Step 6: Final answer
    x = 10,428.39

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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.