Home / 7,836.14-11,754.28-1,992.74

Finding the Fourth Proportional to 7,836.14, 11,754.28 and 1,992.74

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Solution

The fourth proportional to 7,836.14, 11,754.28 and 1,992.74 is: 2,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.14 : 11,754.28 = 1,992.74 : x
  2. Step 2: Convert to fraction form
    7,836.14/11,754.28 = 1,992.74/x
  3. Step 3: Cross multiply
    7,836.14x = 11,754.28 × 1,992.74
  4. Step 4: Simplify right side
    7,836.14x = 23,423,248.33
  5. Step 5: Solve for x
    x = 23,423,248.33/7,836.14
  6. Step 6: Final answer
    x = 2,989.13

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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.