Home / 26,106.30-39,166.20-11,311.79

Finding the Fourth Proportional to 26,106.30, 39,166.20 and 11,311.79

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Solution

The fourth proportional to 26,106.30, 39,166.20 and 11,311.79 is: 16,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.30 : 39,166.20 = 11,311.79 : x
  2. Step 2: Convert to fraction form
    26,106.30/39,166.20 = 11,311.79/x
  3. Step 3: Cross multiply
    26,106.30x = 39,166.20 × 11,311.79
  4. Step 4: Simplify right side
    26,106.30x = 443,039,633.67
  5. Step 5: Solve for x
    x = 443,039,633.67/26,106.30
  6. Step 6: Final answer
    x = 16,970.60

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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.