Home / 17,990.26-26,993.18-9,660.56

Finding the Fourth Proportional to 17,990.26, 26,993.18 and 9,660.56

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Solution

The fourth proportional to 17,990.26, 26,993.18 and 9,660.56 is: 14,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.26 : 26,993.18 = 9,660.56 : x
  2. Step 2: Convert to fraction form
    17,990.26/26,993.18 = 9,660.56/x
  3. Step 3: Cross multiply
    17,990.26x = 26,993.18 × 9,660.56
  4. Step 4: Simplify right side
    17,990.26x = 260,769,124.17
  5. Step 5: Solve for x
    x = 260,769,124.17/17,990.26
  6. Step 6: Final answer
    x = 14,495.02

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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.