Home / 12,022.38-16,591.79-6,919.47

Finding the Fourth Proportional to 12,022.38, 16,591.79 and 6,919.47

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Solution

The fourth proportional to 12,022.38, 16,591.79 and 6,919.47 is: 9,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.38 : 16,591.79 = 6,919.47 : x
  2. Step 2: Convert to fraction form
    12,022.38/16,591.79 = 6,919.47/x
  3. Step 3: Cross multiply
    12,022.38x = 16,591.79 × 6,919.47
  4. Step 4: Simplify right side
    12,022.38x = 114,806,410.45
  5. Step 5: Solve for x
    x = 114,806,410.45/12,022.38
  6. Step 6: Final answer
    x = 9,549.39

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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.