Home / 13,359.64-18,436.20-7,984.52

Finding the Fourth Proportional to 13,359.64, 18,436.20 and 7,984.52

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Solution

The fourth proportional to 13,359.64, 18,436.20 and 7,984.52 is: 11,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.64 : 18,436.20 = 7,984.52 : x
  2. Step 2: Convert to fraction form
    13,359.64/18,436.20 = 7,984.52/x
  3. Step 3: Cross multiply
    13,359.64x = 18,436.20 × 7,984.52
  4. Step 4: Simplify right side
    13,359.64x = 147,204,207.62
  5. Step 5: Solve for x
    x = 147,204,207.62/13,359.64
  6. Step 6: Final answer
    x = 11,018.58

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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.