Home / 20,093.60-30,146.88-6,954.32

Finding the Fourth Proportional to 20,093.60, 30,146.88 and 6,954.32

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Solution

The fourth proportional to 20,093.60, 30,146.88 and 6,954.32 is: 10,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.60 : 30,146.88 = 6,954.32 : x
  2. Step 2: Convert to fraction form
    20,093.60/30,146.88 = 6,954.32/x
  3. Step 3: Cross multiply
    20,093.60x = 30,146.88 × 6,954.32
  4. Step 4: Simplify right side
    20,093.60x = 209,651,050.52
  5. Step 5: Solve for x
    x = 209,651,050.52/20,093.60
  6. Step 6: Final answer
    x = 10,433.72

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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.