Home / 22,919.58-34,379.37-8,127.63

Finding the Fourth Proportional to 22,919.58, 34,379.37 and 8,127.63

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Solution

The fourth proportional to 22,919.58, 34,379.37 and 8,127.63 is: 12,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.58 : 34,379.37 = 8,127.63 : x
  2. Step 2: Convert to fraction form
    22,919.58/34,379.37 = 8,127.63/x
  3. Step 3: Cross multiply
    22,919.58x = 34,379.37 × 8,127.63
  4. Step 4: Simplify right side
    22,919.58x = 279,422,798.99
  5. Step 5: Solve for x
    x = 279,422,798.99/22,919.58
  6. Step 6: Final answer
    x = 12,191.45

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Similar ratio
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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.