Home / 18,675.39-25,771.28-10,177.33

Finding the Fourth Proportional to 18,675.39, 25,771.28 and 10,177.33

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Solution

The fourth proportional to 18,675.39, 25,771.28 and 10,177.33 is: 14,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.39 : 25,771.28 = 10,177.33 : x
  2. Step 2: Convert to fraction form
    18,675.39/25,771.28 = 10,177.33/x
  3. Step 3: Cross multiply
    18,675.39x = 25,771.28 × 10,177.33
  4. Step 4: Simplify right side
    18,675.39x = 262,282,794.82
  5. Step 5: Solve for x
    x = 262,282,794.82/18,675.39
  6. Step 6: Final answer
    x = 14,044.30

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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.