Home / 17,690.11-24,418.35-10,979.66

Finding the Fourth Proportional to 17,690.11, 24,418.35 and 10,979.66

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Solution

The fourth proportional to 17,690.11, 24,418.35 and 10,979.66 is: 15,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.11 : 24,418.35 = 10,979.66 : x
  2. Step 2: Convert to fraction form
    17,690.11/24,418.35 = 10,979.66/x
  3. Step 3: Cross multiply
    17,690.11x = 24,418.35 × 10,979.66
  4. Step 4: Simplify right side
    17,690.11x = 268,105,241.81
  5. Step 5: Solve for x
    x = 268,105,241.81/17,690.11
  6. Step 6: Final answer
    x = 15,155.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.