Home / 19,679.37-27,152.87-11,181.66

Finding the Fourth Proportional to 19,679.37, 27,152.87 and 11,181.66

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Solution

The fourth proportional to 19,679.37, 27,152.87 and 11,181.66 is: 15,428.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.37 : 27,152.87 = 11,181.66 : x
  2. Step 2: Convert to fraction form
    19,679.37/27,152.87 = 11,181.66/x
  3. Step 3: Cross multiply
    19,679.37x = 27,152.87 × 11,181.66
  4. Step 4: Simplify right side
    19,679.37x = 303,614,104.46
  5. Step 5: Solve for x
    x = 303,614,104.46/19,679.37
  6. Step 6: Final answer
    x = 15,428.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.