Home / 20,984.92-31,473.18-13,466.22

Finding the Fourth Proportional to 20,984.92, 31,473.18 and 13,466.22

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Solution

The fourth proportional to 20,984.92, 31,473.18 and 13,466.22 is: 20,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,984.92 : 31,473.18 = 13,466.22 : x
  2. Step 2: Convert to fraction form
    20,984.92/31,473.18 = 13,466.22/x
  3. Step 3: Cross multiply
    20,984.92x = 31,473.18 × 13,466.22
  4. Step 4: Simplify right side
    20,984.92x = 423,824,765.98
  5. Step 5: Solve for x
    x = 423,824,765.98/20,984.92
  6. Step 6: Final answer
    x = 20,196.63

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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.