Home / 18,692.25-25,795.31-10,308.75

Finding the Fourth Proportional to 18,692.25, 25,795.31 and 10,308.75

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Solution

The fourth proportional to 18,692.25, 25,795.31 and 10,308.75 is: 14,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.25 : 25,795.31 = 10,308.75 : x
  2. Step 2: Convert to fraction form
    18,692.25/25,795.31 = 10,308.75/x
  3. Step 3: Cross multiply
    18,692.25x = 25,795.31 × 10,308.75
  4. Step 4: Simplify right side
    18,692.25x = 265,917,350.42
  5. Step 5: Solve for x
    x = 265,917,350.42/18,692.25
  6. Step 6: Final answer
    x = 14,226.08

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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.