Home / 20,950.23-31,425.34-6,159.27

Finding the Fourth Proportional to 20,950.23, 31,425.34 and 6,159.27

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Solution

The fourth proportional to 20,950.23, 31,425.34 and 6,159.27 is: 9,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950.23 : 31,425.34 = 6,159.27 : x
  2. Step 2: Convert to fraction form
    20,950.23/31,425.34 = 6,159.27/x
  3. Step 3: Cross multiply
    20,950.23x = 31,425.34 × 6,159.27
  4. Step 4: Simplify right side
    20,950.23x = 193,557,138.50
  5. Step 5: Solve for x
    x = 193,557,138.50/20,950.23
  6. Step 6: Final answer
    x = 9,238.90

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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.