Home / 17,861.40-26,792.10-11,316.60

Finding the Fourth Proportional to 17,861.40, 26,792.10 and 11,316.60

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Solution

The fourth proportional to 17,861.40, 26,792.10 and 11,316.60 is: 16,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.40 : 26,792.10 = 11,316.60 : x
  2. Step 2: Convert to fraction form
    17,861.40/26,792.10 = 11,316.60/x
  3. Step 3: Cross multiply
    17,861.40x = 26,792.10 × 11,316.60
  4. Step 4: Simplify right side
    17,861.40x = 303,195,478.86
  5. Step 5: Solve for x
    x = 303,195,478.86/17,861.40
  6. Step 6: Final answer
    x = 16,974.90

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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.