Home / 20,093.32-30,141.60-6,945.81

Finding the Fourth Proportional to 20,093.32, 30,141.60 and 6,945.81

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Solution

The fourth proportional to 20,093.32, 30,141.60 and 6,945.81 is: 10,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.32 : 30,141.60 = 6,945.81 : x
  2. Step 2: Convert to fraction form
    20,093.32/30,141.60 = 6,945.81/x
  3. Step 3: Cross multiply
    20,093.32x = 30,141.60 × 6,945.81
  4. Step 4: Simplify right side
    20,093.32x = 209,357,826.70
  5. Step 5: Solve for x
    x = 209,357,826.70/20,093.32
  6. Step 6: Final answer
    x = 10,419.27

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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.