Home / 17,687.36-26,521.91-5,205.76

Finding the Fourth Proportional to 17,687.36, 26,521.91 and 5,205.76

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Solution

The fourth proportional to 17,687.36, 26,521.91 and 5,205.76 is: 7,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.36 : 26,521.91 = 5,205.76 : x
  2. Step 2: Convert to fraction form
    17,687.36/26,521.91 = 5,205.76/x
  3. Step 3: Cross multiply
    17,687.36x = 26,521.91 × 5,205.76
  4. Step 4: Simplify right side
    17,687.36x = 138,066,698.20
  5. Step 5: Solve for x
    x = 138,066,698.20/17,687.36
  6. Step 6: Final answer
    x = 7,805.95

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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.