Home / 11,837.70-17,756.55-11,643.30

Finding the Fourth Proportional to 11,837.70, 17,756.55 and 11,643.30

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Solution

The fourth proportional to 11,837.70, 17,756.55 and 11,643.30 is: 17,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.70 : 17,756.55 = 11,643.30 : x
  2. Step 2: Convert to fraction form
    11,837.70/17,756.55 = 11,643.30/x
  3. Step 3: Cross multiply
    11,837.70x = 17,756.55 × 11,643.30
  4. Step 4: Simplify right side
    11,837.70x = 206,744,838.62
  5. Step 5: Solve for x
    x = 206,744,838.62/11,837.70
  6. Step 6: Final answer
    x = 17,464.95

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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.