Home / 13,962.71-20,906.70-11,748.38

Finding the Fourth Proportional to 13,962.71, 20,906.70 and 11,748.38

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Solution

The fourth proportional to 13,962.71, 20,906.70 and 11,748.38 is: 17,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.71 : 20,906.70 = 11,748.38 : x
  2. Step 2: Convert to fraction form
    13,962.71/20,906.70 = 11,748.38/x
  3. Step 3: Cross multiply
    13,962.71x = 20,906.70 × 11,748.38
  4. Step 4: Simplify right side
    13,962.71x = 245,619,751.61
  5. Step 5: Solve for x
    x = 245,619,751.61/13,962.71
  6. Step 6: Final answer
    x = 17,591.13

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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.