Home / 15,372.15-23,067.78-13,893.15

Finding the Fourth Proportional to 15,372.15, 23,067.78 and 13,893.15

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Solution

The fourth proportional to 15,372.15, 23,067.78 and 13,893.15 is: 20,848.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.15 : 23,067.78 = 13,893.15 : x
  2. Step 2: Convert to fraction form
    15,372.15/23,067.78 = 13,893.15/x
  3. Step 3: Cross multiply
    15,372.15x = 23,067.78 × 13,893.15
  4. Step 4: Simplify right side
    15,372.15x = 320,484,127.71
  5. Step 5: Solve for x
    x = 320,484,127.71/15,372.15
  6. Step 6: Final answer
    x = 20,848.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.