Home / 11,388.51-17,082.77-3,491.05

Finding the Fourth Proportional to 11,388.51, 17,082.77 and 3,491.05

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Solution

The fourth proportional to 11,388.51, 17,082.77 and 3,491.05 is: 5,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.51 : 17,082.77 = 3,491.05 : x
  2. Step 2: Convert to fraction form
    11,388.51/17,082.77 = 3,491.05/x
  3. Step 3: Cross multiply
    11,388.51x = 17,082.77 × 3,491.05
  4. Step 4: Simplify right side
    11,388.51x = 59,636,776.08
  5. Step 5: Solve for x
    x = 59,636,776.08/11,388.51
  6. Step 6: Final answer
    x = 5,236.58

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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.