Home / 10,966.80-16,426.68-4,718.64

Finding the Fourth Proportional to 10,966.80, 16,426.68 and 4,718.64

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Solution

The fourth proportional to 10,966.80, 16,426.68 and 4,718.64 is: 7,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.80 : 16,426.68 = 4,718.64 : x
  2. Step 2: Convert to fraction form
    10,966.80/16,426.68 = 4,718.64/x
  3. Step 3: Cross multiply
    10,966.80x = 16,426.68 × 4,718.64
  4. Step 4: Simplify right side
    10,966.80x = 77,511,589.32
  5. Step 5: Solve for x
    x = 77,511,589.32/10,966.80
  6. Step 6: Final answer
    x = 7,067.84

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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.