Home / 11,772.17-17,653.17-4,371.20

Finding the Fourth Proportional to 11,772.17, 17,653.17 and 4,371.20

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Solution

The fourth proportional to 11,772.17, 17,653.17 and 4,371.20 is: 6,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.17 : 17,653.17 = 4,371.20 : x
  2. Step 2: Convert to fraction form
    11,772.17/17,653.17 = 4,371.20/x
  3. Step 3: Cross multiply
    11,772.17x = 17,653.17 × 4,371.20
  4. Step 4: Simplify right side
    11,772.17x = 77,165,536.70
  5. Step 5: Solve for x
    x = 77,165,536.70/11,772.17
  6. Step 6: Final answer
    x = 6,554.91

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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.