Home / 20,093.77-30,143.85-6,947.17

Finding the Fourth Proportional to 20,093.77, 30,143.85 and 6,947.17

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Solution

The fourth proportional to 20,093.77, 30,143.85 and 6,947.17 is: 10,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.77 : 30,143.85 = 6,947.17 : x
  2. Step 2: Convert to fraction form
    20,093.77/30,143.85 = 6,947.17/x
  3. Step 3: Cross multiply
    20,093.77x = 30,143.85 × 6,947.17
  4. Step 4: Simplify right side
    20,093.77x = 209,414,348.99
  5. Step 5: Solve for x
    x = 209,414,348.99/20,093.77
  6. Step 6: Final answer
    x = 10,421.85

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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.