Home / 13,092.12-18,062.30-8,618.44

Finding the Fourth Proportional to 13,092.12, 18,062.30 and 8,618.44

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Solution

The fourth proportional to 13,092.12, 18,062.30 and 8,618.44 is: 11,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.12 : 18,062.30 = 8,618.44 : x
  2. Step 2: Convert to fraction form
    13,092.12/18,062.30 = 8,618.44/x
  3. Step 3: Cross multiply
    13,092.12x = 18,062.30 × 8,618.44
  4. Step 4: Simplify right side
    13,092.12x = 155,668,848.81
  5. Step 5: Solve for x
    x = 155,668,848.81/13,092.12
  6. Step 6: Final answer
    x = 11,890.27

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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.