Home / 21,183.46-29,234.39-12,802.66

Finding the Fourth Proportional to 21,183.46, 29,234.39 and 12,802.66

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Solution

The fourth proportional to 21,183.46, 29,234.39 and 12,802.66 is: 17,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.46 : 29,234.39 = 12,802.66 : x
  2. Step 2: Convert to fraction form
    21,183.46/29,234.39 = 12,802.66/x
  3. Step 3: Cross multiply
    21,183.46x = 29,234.39 × 12,802.66
  4. Step 4: Simplify right side
    21,183.46x = 374,277,955.48
  5. Step 5: Solve for x
    x = 374,277,955.48/21,183.46
  6. Step 6: Final answer
    x = 17,668.41

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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.