Home / 20,213.04-27,895.50-11,717.76

Finding the Fourth Proportional to 20,213.04, 27,895.50 and 11,717.76

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Solution

The fourth proportional to 20,213.04, 27,895.50 and 11,717.76 is: 16,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.04 : 27,895.50 = 11,717.76 : x
  2. Step 2: Convert to fraction form
    20,213.04/27,895.50 = 11,717.76/x
  3. Step 3: Cross multiply
    20,213.04x = 27,895.50 × 11,717.76
  4. Step 4: Simplify right side
    20,213.04x = 326,872,774.08
  5. Step 5: Solve for x
    x = 326,872,774.08/20,213.04
  6. Step 6: Final answer
    x = 16,171.38

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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.