Home / 20,153.24-30,239.76-9,067.76

Finding the Fourth Proportional to 20,153.24, 30,239.76 and 9,067.76

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Solution

The fourth proportional to 20,153.24, 30,239.76 and 9,067.76 is: 13,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.24 : 30,239.76 = 9,067.76 : x
  2. Step 2: Convert to fraction form
    20,153.24/30,239.76 = 9,067.76/x
  3. Step 3: Cross multiply
    20,153.24x = 30,239.76 × 9,067.76
  4. Step 4: Simplify right side
    20,153.24x = 274,206,886.14
  5. Step 5: Solve for x
    x = 274,206,886.14/20,153.24
  6. Step 6: Final answer
    x = 13,606.09

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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.