Home / 21,631.33-29,809.24-14,453.11

Finding the Fourth Proportional to 21,631.33, 29,809.24 and 14,453.11

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Solution

The fourth proportional to 21,631.33, 29,809.24 and 14,453.11 is: 19,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.33 : 29,809.24 = 14,453.11 : x
  2. Step 2: Convert to fraction form
    21,631.33/29,809.24 = 14,453.11/x
  3. Step 3: Cross multiply
    21,631.33x = 29,809.24 × 14,453.11
  4. Step 4: Simplify right side
    21,631.33x = 430,836,224.74
  5. Step 5: Solve for x
    x = 430,836,224.74/21,631.33
  6. Step 6: Final answer
    x = 19,917.23

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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.