Home / 14,944.82-20,621.94-8,977.55

Finding the Fourth Proportional to 14,944.82, 20,621.94 and 8,977.55

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Solution

The fourth proportional to 14,944.82, 20,621.94 and 8,977.55 is: 12,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,944.82 : 20,621.94 = 8,977.55 : x
  2. Step 2: Convert to fraction form
    14,944.82/20,621.94 = 8,977.55/x
  3. Step 3: Cross multiply
    14,944.82x = 20,621.94 × 8,977.55
  4. Step 4: Simplify right side
    14,944.82x = 185,134,497.45
  5. Step 5: Solve for x
    x = 185,134,497.45/14,944.82
  6. Step 6: Final answer
    x = 12,387.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.