Home / 13,306.48-18,365.13-8,004.22

Finding the Fourth Proportional to 13,306.48, 18,365.13 and 8,004.22

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Solution

The fourth proportional to 13,306.48, 18,365.13 and 8,004.22 is: 11,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.48 : 18,365.13 = 8,004.22 : x
  2. Step 2: Convert to fraction form
    13,306.48/18,365.13 = 8,004.22/x
  3. Step 3: Cross multiply
    13,306.48x = 18,365.13 × 8,004.22
  4. Step 4: Simplify right side
    13,306.48x = 146,998,540.85
  5. Step 5: Solve for x
    x = 146,998,540.85/13,306.48
  6. Step 6: Final answer
    x = 11,047.14

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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.