Home / 20,110.60-30,108.30-12,334.60

Finding the Fourth Proportional to 20,110.60, 30,108.30 and 12,334.60

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Solution

The fourth proportional to 20,110.60, 30,108.30 and 12,334.60 is: 18,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.60 : 30,108.30 = 12,334.60 : x
  2. Step 2: Convert to fraction form
    20,110.60/30,108.30 = 12,334.60/x
  3. Step 3: Cross multiply
    20,110.60x = 30,108.30 × 12,334.60
  4. Step 4: Simplify right side
    20,110.60x = 371,373,837.18
  5. Step 5: Solve for x
    x = 371,373,837.18/20,110.60
  6. Step 6: Final answer
    x = 18,466.57

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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.