Home / 20,274.08-30,410.96-6,947.15

Finding the Fourth Proportional to 20,274.08, 30,410.96 and 6,947.15

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Solution

The fourth proportional to 20,274.08, 30,410.96 and 6,947.15 is: 10,420.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.08 : 30,410.96 = 6,947.15 : x
  2. Step 2: Convert to fraction form
    20,274.08/30,410.96 = 6,947.15/x
  3. Step 3: Cross multiply
    20,274.08x = 30,410.96 × 6,947.15
  4. Step 4: Simplify right side
    20,274.08x = 211,269,313.97
  5. Step 5: Solve for x
    x = 211,269,313.97/20,274.08
  6. Step 6: Final answer
    x = 10,420.66

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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.