Home / 19,709.53-27,199.19-11,211.46

Finding the Fourth Proportional to 19,709.53, 27,199.19 and 11,211.46

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Solution

The fourth proportional to 19,709.53, 27,199.19 and 11,211.46 is: 15,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.53 : 27,199.19 = 11,211.46 : x
  2. Step 2: Convert to fraction form
    19,709.53/27,199.19 = 11,211.46/x
  3. Step 3: Cross multiply
    19,709.53x = 27,199.19 × 11,211.46
  4. Step 4: Simplify right side
    19,709.53x = 304,942,630.72
  5. Step 5: Solve for x
    x = 304,942,630.72/19,709.53
  6. Step 6: Final answer
    x = 15,471.84

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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.