Home / 17,786.13-26,680.55-5,305.20

Finding the Fourth Proportional to 17,786.13, 26,680.55 and 5,305.20

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Solution

The fourth proportional to 17,786.13, 26,680.55 and 5,305.20 is: 7,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.13 : 26,680.55 = 5,305.20 : x
  2. Step 2: Convert to fraction form
    17,786.13/26,680.55 = 5,305.20/x
  3. Step 3: Cross multiply
    17,786.13x = 26,680.55 × 5,305.20
  4. Step 4: Simplify right side
    17,786.13x = 141,545,653.86
  5. Step 5: Solve for x
    x = 141,545,653.86/17,786.13
  6. Step 6: Final answer
    x = 7,958.20

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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.