Home / 19,968.63-29,952.94-6,821.11

Finding the Fourth Proportional to 19,968.63, 29,952.94 and 6,821.11

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Solution

The fourth proportional to 19,968.63, 29,952.94 and 6,821.11 is: 10,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.63 : 29,952.94 = 6,821.11 : x
  2. Step 2: Convert to fraction form
    19,968.63/29,952.94 = 6,821.11/x
  3. Step 3: Cross multiply
    19,968.63x = 29,952.94 × 6,821.11
  4. Step 4: Simplify right side
    19,968.63x = 204,312,331.74
  5. Step 5: Solve for x
    x = 204,312,331.74/19,968.63
  6. Step 6: Final answer
    x = 10,231.67

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Similar ratio
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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.