Home / 19,709.46-27,193.86-11,211.66

Finding the Fourth Proportional to 19,709.46, 27,193.86 and 11,211.66

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Solution

The fourth proportional to 19,709.46, 27,193.86 and 11,211.66 is: 15,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.46 : 27,193.86 = 11,211.66 : x
  2. Step 2: Convert to fraction form
    19,709.46/27,193.86 = 11,211.66/x
  3. Step 3: Cross multiply
    19,709.46x = 27,193.86 × 11,211.66
  4. Step 4: Simplify right side
    19,709.46x = 304,888,312.41
  5. Step 5: Solve for x
    x = 304,888,312.41/19,709.46
  6. Step 6: Final answer
    x = 15,469.14

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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.