Home / 13,380.84-18,466.52-8,003.48

Finding the Fourth Proportional to 13,380.84, 18,466.52 and 8,003.48

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Solution

The fourth proportional to 13,380.84, 18,466.52 and 8,003.48 is: 11,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.84 : 18,466.52 = 8,003.48 : x
  2. Step 2: Convert to fraction form
    13,380.84/18,466.52 = 8,003.48/x
  3. Step 3: Cross multiply
    13,380.84x = 18,466.52 × 8,003.48
  4. Step 4: Simplify right side
    13,380.84x = 147,796,291.14
  5. Step 5: Solve for x
    x = 147,796,291.14/13,380.84
  6. Step 6: Final answer
    x = 11,045.37

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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.