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Finding the Fourth Proportional to 17,776.10, 26,658.48 and 7,246.10

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Solution

The fourth proportional to 17,776.10, 26,658.48 and 7,246.10 is: 10,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,776.10 : 26,658.48 = 7,246.10 : x
  2. Step 2: Convert to fraction form
    17,776.10/26,658.48 = 7,246.10/x
  3. Step 3: Cross multiply
    17,776.10x = 26,658.48 × 7,246.10
  4. Step 4: Simplify right side
    17,776.10x = 193,170,105.75
  5. Step 5: Solve for x
    x = 193,170,105.75/17,776.10
  6. Step 6: Final answer
    x = 10,866.84

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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.