Home / 8,159.50-12,239.22-2,316.11

Finding the Fourth Proportional to 8,159.50, 12,239.22 and 2,316.11

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Solution

The fourth proportional to 8,159.50, 12,239.22 and 2,316.11 is: 3,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.50 : 12,239.22 = 2,316.11 : x
  2. Step 2: Convert to fraction form
    8,159.50/12,239.22 = 2,316.11/x
  3. Step 3: Cross multiply
    8,159.50x = 12,239.22 × 2,316.11
  4. Step 4: Simplify right side
    8,159.50x = 28,347,379.83
  5. Step 5: Solve for x
    x = 28,347,379.83/8,159.50
  6. Step 6: Final answer
    x = 3,474.16

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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.