Home / 14,412.79-21,617.39-3,883.63

Finding the Fourth Proportional to 14,412.79, 21,617.39 and 3,883.63

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Solution

The fourth proportional to 14,412.79, 21,617.39 and 3,883.63 is: 5,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.79 : 21,617.39 = 3,883.63 : x
  2. Step 2: Convert to fraction form
    14,412.79/21,617.39 = 3,883.63/x
  3. Step 3: Cross multiply
    14,412.79x = 21,617.39 × 3,883.63
  4. Step 4: Simplify right side
    14,412.79x = 83,953,944.33
  5. Step 5: Solve for x
    x = 83,953,944.33/14,412.79
  6. Step 6: Final answer
    x = 5,824.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.