Home / 12,908.82-19,325.61-9,591.77

Finding the Fourth Proportional to 12,908.82, 19,325.61 and 9,591.77

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Solution

The fourth proportional to 12,908.82, 19,325.61 and 9,591.77 is: 14,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.82 : 19,325.61 = 9,591.77 : x
  2. Step 2: Convert to fraction form
    12,908.82/19,325.61 = 9,591.77/x
  3. Step 3: Cross multiply
    12,908.82x = 19,325.61 × 9,591.77
  4. Step 4: Simplify right side
    12,908.82x = 185,366,709.60
  5. Step 5: Solve for x
    x = 185,366,709.60/12,908.82
  6. Step 6: Final answer
    x = 14,359.70

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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.