Home / 15,178.72-22,769.52-5,945.44

Finding the Fourth Proportional to 15,178.72, 22,769.52 and 5,945.44

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Solution

The fourth proportional to 15,178.72, 22,769.52 and 5,945.44 is: 8,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.72 : 22,769.52 = 5,945.44 : x
  2. Step 2: Convert to fraction form
    15,178.72/22,769.52 = 5,945.44/x
  3. Step 3: Cross multiply
    15,178.72x = 22,769.52 × 5,945.44
  4. Step 4: Simplify right side
    15,178.72x = 135,374,814.99
  5. Step 5: Solve for x
    x = 135,374,814.99/15,178.72
  6. Step 6: Final answer
    x = 8,918.72

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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.