Home / 13,769.73-19,008.22-8,741.68

Finding the Fourth Proportional to 13,769.73, 19,008.22 and 8,741.68

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Solution

The fourth proportional to 13,769.73, 19,008.22 and 8,741.68 is: 12,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.73 : 19,008.22 = 8,741.68 : x
  2. Step 2: Convert to fraction form
    13,769.73/19,008.22 = 8,741.68/x
  3. Step 3: Cross multiply
    13,769.73x = 19,008.22 × 8,741.68
  4. Step 4: Simplify right side
    13,769.73x = 166,163,681.57
  5. Step 5: Solve for x
    x = 166,163,681.57/13,769.73
  6. Step 6: Final answer
    x = 12,067.32

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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.