Home / 14,327.55-19,772.91-8,039.79

Finding the Fourth Proportional to 14,327.55, 19,772.91 and 8,039.79

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Solution

The fourth proportional to 14,327.55, 19,772.91 and 8,039.79 is: 11,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327.55 : 19,772.91 = 8,039.79 : x
  2. Step 2: Convert to fraction form
    14,327.55/19,772.91 = 8,039.79/x
  3. Step 3: Cross multiply
    14,327.55x = 19,772.91 × 8,039.79
  4. Step 4: Simplify right side
    14,327.55x = 158,970,044.09
  5. Step 5: Solve for x
    x = 158,970,044.09/14,327.55
  6. Step 6: Final answer
    x = 11,095.41

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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.