Home / 13,669.80-18,867.14-8,007.52

Finding the Fourth Proportional to 13,669.80, 18,867.14 and 8,007.52

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Solution

The fourth proportional to 13,669.80, 18,867.14 and 8,007.52 is: 11,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.80 : 18,867.14 = 8,007.52 : x
  2. Step 2: Convert to fraction form
    13,669.80/18,867.14 = 8,007.52/x
  3. Step 3: Cross multiply
    13,669.80x = 18,867.14 × 8,007.52
  4. Step 4: Simplify right side
    13,669.80x = 151,079,000.89
  5. Step 5: Solve for x
    x = 151,079,000.89/13,669.80
  6. Step 6: Final answer
    x = 11,052.03

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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.