Home / 20,124.44-30,191.14-6,616.22

Finding the Fourth Proportional to 20,124.44, 30,191.14 and 6,616.22

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Solution

The fourth proportional to 20,124.44, 30,191.14 and 6,616.22 is: 9,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.44 : 30,191.14 = 6,616.22 : x
  2. Step 2: Convert to fraction form
    20,124.44/30,191.14 = 6,616.22/x
  3. Step 3: Cross multiply
    20,124.44x = 30,191.14 × 6,616.22
  4. Step 4: Simplify right side
    20,124.44x = 199,751,299.77
  5. Step 5: Solve for x
    x = 199,751,299.77/20,124.44
  6. Step 6: Final answer
    x = 9,925.81

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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.