Home / 11,370.72-17,035.30-8,242.97

Finding the Fourth Proportional to 11,370.72, 17,035.30 and 8,242.97

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Solution

The fourth proportional to 11,370.72, 17,035.30 and 8,242.97 is: 12,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.72 : 17,035.30 = 8,242.97 : x
  2. Step 2: Convert to fraction form
    11,370.72/17,035.30 = 8,242.97/x
  3. Step 3: Cross multiply
    11,370.72x = 17,035.30 × 8,242.97
  4. Step 4: Simplify right side
    11,370.72x = 140,421,403.65
  5. Step 5: Solve for x
    x = 140,421,403.65/11,370.72
  6. Step 6: Final answer
    x = 12,349.39

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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.