Home / 21,183.92-29,237.29-11,755.52

Finding the Fourth Proportional to 21,183.92, 29,237.29 and 11,755.52

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Solution

The fourth proportional to 21,183.92, 29,237.29 and 11,755.52 is: 16,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.92 : 29,237.29 = 11,755.52 : x
  2. Step 2: Convert to fraction form
    21,183.92/29,237.29 = 11,755.52/x
  3. Step 3: Cross multiply
    21,183.92x = 29,237.29 × 11,755.52
  4. Step 4: Simplify right side
    21,183.92x = 343,699,547.34
  5. Step 5: Solve for x
    x = 343,699,547.34/21,183.92
  6. Step 6: Final answer
    x = 16,224.55

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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.