Home / 20,173.34-30,272.33-11,869.58

Finding the Fourth Proportional to 20,173.34, 30,272.33 and 11,869.58

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Solution

The fourth proportional to 20,173.34, 30,272.33 and 11,869.58 is: 17,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.34 : 30,272.33 = 11,869.58 : x
  2. Step 2: Convert to fraction form
    20,173.34/30,272.33 = 11,869.58/x
  3. Step 3: Cross multiply
    20,173.34x = 30,272.33 × 11,869.58
  4. Step 4: Simplify right side
    20,173.34x = 359,319,721.03
  5. Step 5: Solve for x
    x = 359,319,721.03/20,173.34
  6. Step 6: Final answer
    x = 17,811.62

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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.