Home / 13,873.72-19,233.52-13,125.28

Finding the Fourth Proportional to 13,873.72, 19,233.52 and 13,125.28

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Solution

The fourth proportional to 13,873.72, 19,233.52 and 13,125.28 is: 18,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.72 : 19,233.52 = 13,125.28 : x
  2. Step 2: Convert to fraction form
    13,873.72/19,233.52 = 13,125.28/x
  3. Step 3: Cross multiply
    13,873.72x = 19,233.52 × 13,125.28
  4. Step 4: Simplify right side
    13,873.72x = 252,445,335.39
  5. Step 5: Solve for x
    x = 252,445,335.39/13,873.72
  6. Step 6: Final answer
    x = 18,195.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.