Home / 20,113.14-30,170.52-9,577.74

Finding the Fourth Proportional to 20,113.14, 30,170.52 and 9,577.74

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Solution

The fourth proportional to 20,113.14, 30,170.52 and 9,577.74 is: 14,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.14 : 30,170.52 = 9,577.74 : x
  2. Step 2: Convert to fraction form
    20,113.14/30,170.52 = 9,577.74/x
  3. Step 3: Cross multiply
    20,113.14x = 30,170.52 × 9,577.74
  4. Step 4: Simplify right side
    20,113.14x = 288,965,396.22
  5. Step 5: Solve for x
    x = 288,965,396.22/20,113.14
  6. Step 6: Final answer
    x = 14,367.00

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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.