Home / 15,279.80-21,096.44-9,546.03

Finding the Fourth Proportional to 15,279.80, 21,096.44 and 9,546.03

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Solution

The fourth proportional to 15,279.80, 21,096.44 and 9,546.03 is: 13,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.80 : 21,096.44 = 9,546.03 : x
  2. Step 2: Convert to fraction form
    15,279.80/21,096.44 = 9,546.03/x
  3. Step 3: Cross multiply
    15,279.80x = 21,096.44 × 9,546.03
  4. Step 4: Simplify right side
    15,279.80x = 201,387,196.39
  5. Step 5: Solve for x
    x = 201,387,196.39/15,279.80
  6. Step 6: Final answer
    x = 13,179.96

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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.