Home / 10,122.06-15,188.85-8,083.02

Finding the Fourth Proportional to 10,122.06, 15,188.85 and 8,083.02

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Solution

The fourth proportional to 10,122.06, 15,188.85 and 8,083.02 is: 12,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.06 : 15,188.85 = 8,083.02 : x
  2. Step 2: Convert to fraction form
    10,122.06/15,188.85 = 8,083.02/x
  3. Step 3: Cross multiply
    10,122.06x = 15,188.85 × 8,083.02
  4. Step 4: Simplify right side
    10,122.06x = 122,771,778.33
  5. Step 5: Solve for x
    x = 122,771,778.33/10,122.06
  6. Step 6: Final answer
    x = 12,129.13

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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.