Home / 13,632.72-20,424.78-9,234.42

Finding the Fourth Proportional to 13,632.72, 20,424.78 and 9,234.42

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Solution

The fourth proportional to 13,632.72, 20,424.78 and 9,234.42 is: 13,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.72 : 20,424.78 = 9,234.42 : x
  2. Step 2: Convert to fraction form
    13,632.72/20,424.78 = 9,234.42/x
  3. Step 3: Cross multiply
    13,632.72x = 20,424.78 × 9,234.42
  4. Step 4: Simplify right side
    13,632.72x = 188,610,996.93
  5. Step 5: Solve for x
    x = 188,610,996.93/13,632.72
  6. Step 6: Final answer
    x = 13,835.17

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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.