Home / 20,133.62-27,784.59-11,748.50

Finding the Fourth Proportional to 20,133.62, 27,784.59 and 11,748.50

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Solution

The fourth proportional to 20,133.62, 27,784.59 and 11,748.50 is: 16,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,133.62 : 27,784.59 = 11,748.50 : x
  2. Step 2: Convert to fraction form
    20,133.62/27,784.59 = 11,748.50/x
  3. Step 3: Cross multiply
    20,133.62x = 27,784.59 × 11,748.50
  4. Step 4: Simplify right side
    20,133.62x = 326,427,255.62
  5. Step 5: Solve for x
    x = 326,427,255.62/20,133.62
  6. Step 6: Final answer
    x = 16,213.04

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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.