Home / 20,699.20-31,027.24-9,596.76

Finding the Fourth Proportional to 20,699.20, 31,027.24 and 9,596.76

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Solution

The fourth proportional to 20,699.20, 31,027.24 and 9,596.76 is: 14,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699.20 : 31,027.24 = 9,596.76 : x
  2. Step 2: Convert to fraction form
    20,699.20/31,027.24 = 9,596.76/x
  3. Step 3: Cross multiply
    20,699.20x = 31,027.24 × 9,596.76
  4. Step 4: Simplify right side
    20,699.20x = 297,760,975.74
  5. Step 5: Solve for x
    x = 297,760,975.74/20,699.20
  6. Step 6: Final answer
    x = 14,385.14

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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.