Home / 15,178.39-22,769.64-14,255.73

Finding the Fourth Proportional to 15,178.39, 22,769.64 and 14,255.73

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Solution

The fourth proportional to 15,178.39, 22,769.64 and 14,255.73 is: 21,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.39 : 22,769.64 = 14,255.73 : x
  2. Step 2: Convert to fraction form
    15,178.39/22,769.64 = 14,255.73/x
  3. Step 3: Cross multiply
    15,178.39x = 22,769.64 × 14,255.73
  4. Step 4: Simplify right side
    15,178.39x = 324,597,840.04
  5. Step 5: Solve for x
    x = 324,597,840.04/15,178.39
  6. Step 6: Final answer
    x = 21,385.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.