Home / 20,071.34-27,697.89-11,573.30

Finding the Fourth Proportional to 20,071.34, 27,697.89 and 11,573.30

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Solution

The fourth proportional to 20,071.34, 27,697.89 and 11,573.30 is: 15,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.34 : 27,697.89 = 11,573.30 : x
  2. Step 2: Convert to fraction form
    20,071.34/27,697.89 = 11,573.30/x
  3. Step 3: Cross multiply
    20,071.34x = 27,697.89 × 11,573.30
  4. Step 4: Simplify right side
    20,071.34x = 320,555,990.34
  5. Step 5: Solve for x
    x = 320,555,990.34/20,071.34
  6. Step 6: Final answer
    x = 15,970.83

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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.