Home / 6,926.32-10,387.68-1,994.86

Finding the Fourth Proportional to 6,926.32, 10,387.68 and 1,994.86

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Solution

The fourth proportional to 6,926.32, 10,387.68 and 1,994.86 is: 2,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.32 : 10,387.68 = 1,994.86 : x
  2. Step 2: Convert to fraction form
    6,926.32/10,387.68 = 1,994.86/x
  3. Step 3: Cross multiply
    6,926.32x = 10,387.68 × 1,994.86
  4. Step 4: Simplify right side
    6,926.32x = 20,721,967.32
  5. Step 5: Solve for x
    x = 20,721,967.32/6,926.32
  6. Step 6: Final answer
    x = 2,991.77

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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.