Home / 12,259.73-16,923.28-7,785.95

Finding the Fourth Proportional to 12,259.73, 16,923.28 and 7,785.95

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Solution

The fourth proportional to 12,259.73, 16,923.28 and 7,785.95 is: 10,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.73 : 16,923.28 = 7,785.95 : x
  2. Step 2: Convert to fraction form
    12,259.73/16,923.28 = 7,785.95/x
  3. Step 3: Cross multiply
    12,259.73x = 16,923.28 × 7,785.95
  4. Step 4: Simplify right side
    12,259.73x = 131,763,770.03
  5. Step 5: Solve for x
    x = 131,763,770.03/12,259.73
  6. Step 6: Final answer
    x = 10,747.69

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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.