Home / 15,664.92-21,617.20-8,494.44

Finding the Fourth Proportional to 15,664.92, 21,617.20 and 8,494.44

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Solution

The fourth proportional to 15,664.92, 21,617.20 and 8,494.44 is: 11,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.92 : 21,617.20 = 8,494.44 : x
  2. Step 2: Convert to fraction form
    15,664.92/21,617.20 = 8,494.44/x
  3. Step 3: Cross multiply
    15,664.92x = 21,617.20 × 8,494.44
  4. Step 4: Simplify right side
    15,664.92x = 183,626,008.37
  5. Step 5: Solve for x
    x = 183,626,008.37/15,664.92
  6. Step 6: Final answer
    x = 11,722.12

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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.