Home / 12,334.02-18,462.12-8,812.68

Finding the Fourth Proportional to 12,334.02, 18,462.12 and 8,812.68

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Solution

The fourth proportional to 12,334.02, 18,462.12 and 8,812.68 is: 13,191.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.02 : 18,462.12 = 8,812.68 : x
  2. Step 2: Convert to fraction form
    12,334.02/18,462.12 = 8,812.68/x
  3. Step 3: Cross multiply
    12,334.02x = 18,462.12 × 8,812.68
  4. Step 4: Simplify right side
    12,334.02x = 162,700,755.68
  5. Step 5: Solve for x
    x = 162,700,755.68/12,334.02
  6. Step 6: Final answer
    x = 13,191.22

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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.