Home / 10,979.06-16,468.58-2,659.07

Finding the Fourth Proportional to 10,979.06, 16,468.58 and 2,659.07

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Solution

The fourth proportional to 10,979.06, 16,468.58 and 2,659.07 is: 3,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.06 : 16,468.58 = 2,659.07 : x
  2. Step 2: Convert to fraction form
    10,979.06/16,468.58 = 2,659.07/x
  3. Step 3: Cross multiply
    10,979.06x = 16,468.58 × 2,659.07
  4. Step 4: Simplify right side
    10,979.06x = 43,791,107.02
  5. Step 5: Solve for x
    x = 43,791,107.02/10,979.06
  6. Step 6: Final answer
    x = 3,988.60

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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.