Home / 13,306.67-18,364.48-8,001.37

Finding the Fourth Proportional to 13,306.67, 18,364.48 and 8,001.37

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Solution

The fourth proportional to 13,306.67, 18,364.48 and 8,001.37 is: 11,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.67 : 18,364.48 = 8,001.37 : x
  2. Step 2: Convert to fraction form
    13,306.67/18,364.48 = 8,001.37/x
  3. Step 3: Cross multiply
    13,306.67x = 18,364.48 × 8,001.37
  4. Step 4: Simplify right side
    13,306.67x = 146,940,999.34
  5. Step 5: Solve for x
    x = 146,940,999.34/13,306.67
  6. Step 6: Final answer
    x = 11,042.66

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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.