Home / 23,293.11-32,142.89-13,221.74

Finding the Fourth Proportional to 23,293.11, 32,142.89 and 13,221.74

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Solution

The fourth proportional to 23,293.11, 32,142.89 and 13,221.74 is: 18,245.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,293.11 : 32,142.89 = 13,221.74 : x
  2. Step 2: Convert to fraction form
    23,293.11/32,142.89 = 13,221.74/x
  3. Step 3: Cross multiply
    23,293.11x = 32,142.89 × 13,221.74
  4. Step 4: Simplify right side
    23,293.11x = 424,985,047.84
  5. Step 5: Solve for x
    x = 424,985,047.84/23,293.11
  6. Step 6: Final answer
    x = 18,245.09

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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.