Home / 20,801.24-31,203.05-14,134.92

Finding the Fourth Proportional to 20,801.24, 31,203.05 and 14,134.92

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Solution

The fourth proportional to 20,801.24, 31,203.05 and 14,134.92 is: 21,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801.24 : 31,203.05 = 14,134.92 : x
  2. Step 2: Convert to fraction form
    20,801.24/31,203.05 = 14,134.92/x
  3. Step 3: Cross multiply
    20,801.24x = 31,203.05 × 14,134.92
  4. Step 4: Simplify right side
    20,801.24x = 441,052,544.83
  5. Step 5: Solve for x
    x = 441,052,544.83/20,801.24
  6. Step 6: Final answer
    x = 21,203.18

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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.