Home / 18,501.32-27,747-8,630.96

Finding the Fourth Proportional to 18,501.32, 27,747 and 8,630.96

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Solution

The fourth proportional to 18,501.32, 27,747 and 8,630.96 is: 12,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.32 : 27,747 = 8,630.96 : x
  2. Step 2: Convert to fraction form
    18,501.32/27,747 = 8,630.96/x
  3. Step 3: Cross multiply
    18,501.32x = 27,747 × 8,630.96
  4. Step 4: Simplify right side
    18,501.32x = 239,483,247.12
  5. Step 5: Solve for x
    x = 239,483,247.12/18,501.32
  6. Step 6: Final answer
    x = 12,944.12

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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.