Home / 20,803.43-31,212.94-10,801.93

Finding the Fourth Proportional to 20,803.43, 31,212.94 and 10,801.93

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Solution

The fourth proportional to 20,803.43, 31,212.94 and 10,801.93 is: 16,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803.43 : 31,212.94 = 10,801.93 : x
  2. Step 2: Convert to fraction form
    20,803.43/31,212.94 = 10,801.93/x
  3. Step 3: Cross multiply
    20,803.43x = 31,212.94 × 10,801.93
  4. Step 4: Simplify right side
    20,803.43x = 337,159,992.97
  5. Step 5: Solve for x
    x = 337,159,992.97/20,803.43
  6. Step 6: Final answer
    x = 16,206.94

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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.