Home / 14,194.84-21,306.79-11,721.78

Finding the Fourth Proportional to 14,194.84, 21,306.79 and 11,721.78

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Solution

The fourth proportional to 14,194.84, 21,306.79 and 11,721.78 is: 17,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,194.84 : 21,306.79 = 11,721.78 : x
  2. Step 2: Convert to fraction form
    14,194.84/21,306.79 = 11,721.78/x
  3. Step 3: Cross multiply
    14,194.84x = 21,306.79 × 11,721.78
  4. Step 4: Simplify right side
    14,194.84x = 249,753,504.89
  5. Step 5: Solve for x
    x = 249,753,504.89/14,194.84
  6. Step 6: Final answer
    x = 17,594.67

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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.