Home / 12,117.06-18,172.55-8,596.80

Finding the Fourth Proportional to 12,117.06, 18,172.55 and 8,596.80

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Solution

The fourth proportional to 12,117.06, 18,172.55 and 8,596.80 is: 12,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.06 : 18,172.55 = 8,596.80 : x
  2. Step 2: Convert to fraction form
    12,117.06/18,172.55 = 8,596.80/x
  3. Step 3: Cross multiply
    12,117.06x = 18,172.55 × 8,596.80
  4. Step 4: Simplify right side
    12,117.06x = 156,225,799.33
  5. Step 5: Solve for x
    x = 156,225,799.33/12,117.06
  6. Step 6: Final answer
    x = 12,893.04

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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.