Home / 12,320.68-18,481.98-4,529.48

Finding the Fourth Proportional to 12,320.68, 18,481.98 and 4,529.48

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Solution

The fourth proportional to 12,320.68, 18,481.98 and 4,529.48 is: 6,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.68 : 18,481.98 = 4,529.48 : x
  2. Step 2: Convert to fraction form
    12,320.68/18,481.98 = 4,529.48/x
  3. Step 3: Cross multiply
    12,320.68x = 18,481.98 × 4,529.48
  4. Step 4: Simplify right side
    12,320.68x = 83,713,758.77
  5. Step 5: Solve for x
    x = 83,713,758.77/12,320.68
  6. Step 6: Final answer
    x = 6,794.57

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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.