Home / 20,388.30-30,595.44-9,296.09

Finding the Fourth Proportional to 20,388.30, 30,595.44 and 9,296.09

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Solution

The fourth proportional to 20,388.30, 30,595.44 and 9,296.09 is: 13,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,388.30 : 30,595.44 = 9,296.09 : x
  2. Step 2: Convert to fraction form
    20,388.30/30,595.44 = 9,296.09/x
  3. Step 3: Cross multiply
    20,388.30x = 30,595.44 × 9,296.09
  4. Step 4: Simplify right side
    20,388.30x = 284,417,963.83
  5. Step 5: Solve for x
    x = 284,417,963.83/20,388.30
  6. Step 6: Final answer
    x = 13,950.06

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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.