Home / 20,577.14-30,860.85-9,476.90

Finding the Fourth Proportional to 20,577.14, 30,860.85 and 9,476.90

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Solution

The fourth proportional to 20,577.14, 30,860.85 and 9,476.90 is: 14,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.14 : 30,860.85 = 9,476.90 : x
  2. Step 2: Convert to fraction form
    20,577.14/30,860.85 = 9,476.90/x
  3. Step 3: Cross multiply
    20,577.14x = 30,860.85 × 9,476.90
  4. Step 4: Simplify right side
    20,577.14x = 292,465,189.37
  5. Step 5: Solve for x
    x = 292,465,189.37/20,577.14
  6. Step 6: Final answer
    x = 14,213.11

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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.