Home / 13,203.08-18,219.96-7,234.62

Finding the Fourth Proportional to 13,203.08, 18,219.96 and 7,234.62

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Solution

The fourth proportional to 13,203.08, 18,219.96 and 7,234.62 is: 9,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.08 : 18,219.96 = 7,234.62 : x
  2. Step 2: Convert to fraction form
    13,203.08/18,219.96 = 7,234.62/x
  3. Step 3: Cross multiply
    13,203.08x = 18,219.96 × 7,234.62
  4. Step 4: Simplify right side
    13,203.08x = 131,814,487.02
  5. Step 5: Solve for x
    x = 131,814,487.02/13,203.08
  6. Step 6: Final answer
    x = 9,983.62

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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.