Home / 13,808.86-19,067.47-11,257.02

Finding the Fourth Proportional to 13,808.86, 19,067.47 and 11,257.02

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Solution

The fourth proportional to 13,808.86, 19,067.47 and 11,257.02 is: 15,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.86 : 19,067.47 = 11,257.02 : x
  2. Step 2: Convert to fraction form
    13,808.86/19,067.47 = 11,257.02/x
  3. Step 3: Cross multiply
    13,808.86x = 19,067.47 × 11,257.02
  4. Step 4: Simplify right side
    13,808.86x = 214,642,863.00
  5. Step 5: Solve for x
    x = 214,642,863.00/13,808.86
  6. Step 6: Final answer
    x = 15,543.85

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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.