Home / 13,889.68-19,177.04-8,226.25

Finding the Fourth Proportional to 13,889.68, 19,177.04 and 8,226.25

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Solution

The fourth proportional to 13,889.68, 19,177.04 and 8,226.25 is: 11,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.68 : 19,177.04 = 8,226.25 : x
  2. Step 2: Convert to fraction form
    13,889.68/19,177.04 = 8,226.25/x
  3. Step 3: Cross multiply
    13,889.68x = 19,177.04 × 8,226.25
  4. Step 4: Simplify right side
    13,889.68x = 157,755,125.30
  5. Step 5: Solve for x
    x = 157,755,125.30/13,889.68
  6. Step 6: Final answer
    x = 11,357.72

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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.