Home / 11,799.84-17,686.80-4,002.78

Finding the Fourth Proportional to 11,799.84, 17,686.80 and 4,002.78

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Solution

The fourth proportional to 11,799.84, 17,686.80 and 4,002.78 is: 5,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,799.84 : 17,686.80 = 4,002.78 : x
  2. Step 2: Convert to fraction form
    11,799.84/17,686.80 = 4,002.78/x
  3. Step 3: Cross multiply
    11,799.84x = 17,686.80 × 4,002.78
  4. Step 4: Simplify right side
    11,799.84x = 70,796,369.30
  5. Step 5: Solve for x
    x = 70,796,369.30/11,799.84
  6. Step 6: Final answer
    x = 5,999.77

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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.