Home / 13,014.96-19,516.59-8,855.97

Finding the Fourth Proportional to 13,014.96, 19,516.59 and 8,855.97

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Solution

The fourth proportional to 13,014.96, 19,516.59 and 8,855.97 is: 13,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.96 : 19,516.59 = 8,855.97 : x
  2. Step 2: Convert to fraction form
    13,014.96/19,516.59 = 8,855.97/x
  3. Step 3: Cross multiply
    13,014.96x = 19,516.59 × 8,855.97
  4. Step 4: Simplify right side
    13,014.96x = 172,838,335.54
  5. Step 5: Solve for x
    x = 172,838,335.54/13,014.96
  6. Step 6: Final answer
    x = 13,279.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.