Home / 21,673.64-29,923.97-14,512.74

Finding the Fourth Proportional to 21,673.64, 29,923.97 and 14,512.74

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Solution

The fourth proportional to 21,673.64, 29,923.97 and 14,512.74 is: 20,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,673.64 : 29,923.97 = 14,512.74 : x
  2. Step 2: Convert to fraction form
    21,673.64/29,923.97 = 14,512.74/x
  3. Step 3: Cross multiply
    21,673.64x = 29,923.97 × 14,512.74
  4. Step 4: Simplify right side
    21,673.64x = 434,278,723.81
  5. Step 5: Solve for x
    x = 434,278,723.81/21,673.64
  6. Step 6: Final answer
    x = 20,037.19

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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.