Home / 21,022.59-29,016.81-14,213.49

Finding the Fourth Proportional to 21,022.59, 29,016.81 and 14,213.49

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Solution

The fourth proportional to 21,022.59, 29,016.81 and 14,213.49 is: 19,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022.59 : 29,016.81 = 14,213.49 : x
  2. Step 2: Convert to fraction form
    21,022.59/29,016.81 = 14,213.49/x
  3. Step 3: Cross multiply
    21,022.59x = 29,016.81 × 14,213.49
  4. Step 4: Simplify right side
    21,022.59x = 412,430,138.77
  5. Step 5: Solve for x
    x = 412,430,138.77/21,022.59
  6. Step 6: Final answer
    x = 19,618.43

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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.