Home / 14,440.47-19,928.73-8,067.05

Finding the Fourth Proportional to 14,440.47, 19,928.73 and 8,067.05

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Solution

The fourth proportional to 14,440.47, 19,928.73 and 8,067.05 is: 11,133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.47 : 19,928.73 = 8,067.05 : x
  2. Step 2: Convert to fraction form
    14,440.47/19,928.73 = 8,067.05/x
  3. Step 3: Cross multiply
    14,440.47x = 19,928.73 × 8,067.05
  4. Step 4: Simplify right side
    14,440.47x = 160,765,961.70
  5. Step 5: Solve for x
    x = 160,765,961.70/14,440.47
  6. Step 6: Final answer
    x = 11,133.01

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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.