Home / 17,811.72-26,704.62-10,891.08

Finding the Fourth Proportional to 17,811.72, 26,704.62 and 10,891.08

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Solution

The fourth proportional to 17,811.72, 26,704.62 and 10,891.08 is: 16,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.72 : 26,704.62 = 10,891.08 : x
  2. Step 2: Convert to fraction form
    17,811.72/26,704.62 = 10,891.08/x
  3. Step 3: Cross multiply
    17,811.72x = 26,704.62 × 10,891.08
  4. Step 4: Simplify right side
    17,811.72x = 290,842,152.79
  5. Step 5: Solve for x
    x = 290,842,152.79/17,811.72
  6. Step 6: Final answer
    x = 16,328.70

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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.