Home / 20,799.54-31,197.55-8,952.84

Finding the Fourth Proportional to 20,799.54, 31,197.55 and 8,952.84

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Solution

The fourth proportional to 20,799.54, 31,197.55 and 8,952.84 is: 13,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.54 : 31,197.55 = 8,952.84 : x
  2. Step 2: Convert to fraction form
    20,799.54/31,197.55 = 8,952.84/x
  3. Step 3: Cross multiply
    20,799.54x = 31,197.55 × 8,952.84
  4. Step 4: Simplify right side
    20,799.54x = 279,306,673.54
  5. Step 5: Solve for x
    x = 279,306,673.54/20,799.54
  6. Step 6: Final answer
    x = 13,428.50

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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.