Home / 12,735.20-19,067.52-9,605.72

Finding the Fourth Proportional to 12,735.20, 19,067.52 and 9,605.72

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Solution

The fourth proportional to 12,735.20, 19,067.52 and 9,605.72 is: 14,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735.20 : 19,067.52 = 9,605.72 : x
  2. Step 2: Convert to fraction form
    12,735.20/19,067.52 = 9,605.72/x
  3. Step 3: Cross multiply
    12,735.20x = 19,067.52 × 9,605.72
  4. Step 4: Simplify right side
    12,735.20x = 183,157,258.21
  5. Step 5: Solve for x
    x = 183,157,258.21/12,735.20
  6. Step 6: Final answer
    x = 14,381.97

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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.