Home / 18,861.30-26,020.98-11,307.96

Finding the Fourth Proportional to 18,861.30, 26,020.98 and 11,307.96

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Solution

The fourth proportional to 18,861.30, 26,020.98 and 11,307.96 is: 15,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.30 : 26,020.98 = 11,307.96 : x
  2. Step 2: Convert to fraction form
    18,861.30/26,020.98 = 11,307.96/x
  3. Step 3: Cross multiply
    18,861.30x = 26,020.98 × 11,307.96
  4. Step 4: Simplify right side
    18,861.30x = 294,244,201.00
  5. Step 5: Solve for x
    x = 294,244,201.00/18,861.30
  6. Step 6: Final answer
    x = 15,600.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.