Home / 21,453.96-29,606.45-12,022.59

Finding the Fourth Proportional to 21,453.96, 29,606.45 and 12,022.59

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Solution

The fourth proportional to 21,453.96, 29,606.45 and 12,022.59 is: 16,591.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.96 : 29,606.45 = 12,022.59 : x
  2. Step 2: Convert to fraction form
    21,453.96/29,606.45 = 12,022.59/x
  3. Step 3: Cross multiply
    21,453.96x = 29,606.45 × 12,022.59
  4. Step 4: Simplify right side
    21,453.96x = 355,946,149.59
  5. Step 5: Solve for x
    x = 355,946,149.59/21,453.96
  6. Step 6: Final answer
    x = 16,591.16

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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.