Home / 20,467.05-30,677.22-9,947.22

Finding the Fourth Proportional to 20,467.05, 30,677.22 and 9,947.22

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Solution

The fourth proportional to 20,467.05, 30,677.22 and 9,947.22 is: 14,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.05 : 30,677.22 = 9,947.22 : x
  2. Step 2: Convert to fraction form
    20,467.05/30,677.22 = 9,947.22/x
  3. Step 3: Cross multiply
    20,467.05x = 30,677.22 × 9,947.22
  4. Step 4: Simplify right side
    20,467.05x = 305,153,074.05
  5. Step 5: Solve for x
    x = 305,153,074.05/20,467.05
  6. Step 6: Final answer
    x = 14,909.48

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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.