Home / 20,994.44-31,491.90-8,984.97

Finding the Fourth Proportional to 20,994.44, 31,491.90 and 8,984.97

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Solution

The fourth proportional to 20,994.44, 31,491.90 and 8,984.97 is: 13,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,994.44 : 31,491.90 = 8,984.97 : x
  2. Step 2: Convert to fraction form
    20,994.44/31,491.90 = 8,984.97/x
  3. Step 3: Cross multiply
    20,994.44x = 31,491.90 × 8,984.97
  4. Step 4: Simplify right side
    20,994.44x = 282,953,776.74
  5. Step 5: Solve for x
    x = 282,953,776.74/20,994.44
  6. Step 6: Final answer
    x = 13,477.56

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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.