Home / 13,799.46-20,699.96-3,937.94

Finding the Fourth Proportional to 13,799.46, 20,699.96 and 3,937.94

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Solution

The fourth proportional to 13,799.46, 20,699.96 and 3,937.94 is: 5,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.46 : 20,699.96 = 3,937.94 : x
  2. Step 2: Convert to fraction form
    13,799.46/20,699.96 = 3,937.94/x
  3. Step 3: Cross multiply
    13,799.46x = 20,699.96 × 3,937.94
  4. Step 4: Simplify right side
    13,799.46x = 81,515,200.48
  5. Step 5: Solve for x
    x = 81,515,200.48/13,799.46
  6. Step 6: Final answer
    x = 5,907.13

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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.