Home / 12,591.92-18,852.32-6,655.36

Finding the Fourth Proportional to 12,591.92, 18,852.32 and 6,655.36

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Solution

The fourth proportional to 12,591.92, 18,852.32 and 6,655.36 is: 9,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.92 : 18,852.32 = 6,655.36 : x
  2. Step 2: Convert to fraction form
    12,591.92/18,852.32 = 6,655.36/x
  3. Step 3: Cross multiply
    12,591.92x = 18,852.32 × 6,655.36
  4. Step 4: Simplify right side
    12,591.92x = 125,468,976.44
  5. Step 5: Solve for x
    x = 125,468,976.44/12,591.92
  6. Step 6: Final answer
    x = 9,964.25

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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.