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Finding the Fourth Proportional to 15,068.46, 20,795.01 and 9,098.97

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Solution

The fourth proportional to 15,068.46, 20,795.01 and 9,098.97 is: 12,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.46 : 20,795.01 = 9,098.97 : x
  2. Step 2: Convert to fraction form
    15,068.46/20,795.01 = 9,098.97/x
  3. Step 3: Cross multiply
    15,068.46x = 20,795.01 × 9,098.97
  4. Step 4: Simplify right side
    15,068.46x = 189,213,172.14
  5. Step 5: Solve for x
    x = 189,213,172.14/15,068.46
  6. Step 6: Final answer
    x = 12,556.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.