Home / 23,148.72-31,945.22-12,538.33

Finding the Fourth Proportional to 23,148.72, 31,945.22 and 12,538.33

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Solution

The fourth proportional to 23,148.72, 31,945.22 and 12,538.33 is: 17,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.72 : 31,945.22 = 12,538.33 : x
  2. Step 2: Convert to fraction form
    23,148.72/31,945.22 = 12,538.33/x
  3. Step 3: Cross multiply
    23,148.72x = 31,945.22 × 12,538.33
  4. Step 4: Simplify right side
    23,148.72x = 400,539,614.75
  5. Step 5: Solve for x
    x = 400,539,614.75/23,148.72
  6. Step 6: Final answer
    x = 17,302.88

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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.