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Finding the Fourth Proportional to 11,792.65, 17,687.63 and 4,397.35

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Solution

The fourth proportional to 11,792.65, 17,687.63 and 4,397.35 is: 6,595.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,792.65 : 17,687.63 = 4,397.35 : x
  2. Step 2: Convert to fraction form
    11,792.65/17,687.63 = 4,397.35/x
  3. Step 3: Cross multiply
    11,792.65x = 17,687.63 × 4,397.35
  4. Step 4: Simplify right side
    11,792.65x = 77,778,589.36
  5. Step 5: Solve for x
    x = 77,778,589.36/11,792.65
  6. Step 6: Final answer
    x = 6,595.52

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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.