Home / 13,306.73-18,365.48-8,004.47

Finding the Fourth Proportional to 13,306.73, 18,365.48 and 8,004.47

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Solution

The fourth proportional to 13,306.73, 18,365.48 and 8,004.47 is: 11,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.73 : 18,365.48 = 8,004.47 : x
  2. Step 2: Convert to fraction form
    13,306.73/18,365.48 = 8,004.47/x
  3. Step 3: Cross multiply
    13,306.73x = 18,365.48 × 8,004.47
  4. Step 4: Simplify right side
    13,306.73x = 147,005,801.85
  5. Step 5: Solve for x
    x = 147,005,801.85/13,306.73
  6. Step 6: Final answer
    x = 11,047.48

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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.