Home / 20,577.12-30,847.44-9,897.24

Finding the Fourth Proportional to 20,577.12, 30,847.44 and 9,897.24

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Solution

The fourth proportional to 20,577.12, 30,847.44 and 9,897.24 is: 14,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.12 : 30,847.44 = 9,897.24 : x
  2. Step 2: Convert to fraction form
    20,577.12/30,847.44 = 9,897.24/x
  3. Step 3: Cross multiply
    20,577.12x = 30,847.44 × 9,897.24
  4. Step 4: Simplify right side
    20,577.12x = 305,304,517.07
  5. Step 5: Solve for x
    x = 305,304,517.07/20,577.12
  6. Step 6: Final answer
    x = 14,837.09

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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.