Home / 20,799.59-31,199.99-6,759.45

Finding the Fourth Proportional to 20,799.59, 31,199.99 and 6,759.45

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Solution

The fourth proportional to 20,799.59, 31,199.99 and 6,759.45 is: 10,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.59 : 31,199.99 = 6,759.45 : x
  2. Step 2: Convert to fraction form
    20,799.59/31,199.99 = 6,759.45/x
  3. Step 3: Cross multiply
    20,799.59x = 31,199.99 × 6,759.45
  4. Step 4: Simplify right side
    20,799.59x = 210,894,738.61
  5. Step 5: Solve for x
    x = 210,894,738.61/20,799.59
  6. Step 6: Final answer
    x = 10,139.37

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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.