Home / 19,520.20-26,940.18-11,562.76

Finding the Fourth Proportional to 19,520.20, 26,940.18 and 11,562.76

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Solution

The fourth proportional to 19,520.20, 26,940.18 and 11,562.76 is: 15,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.20 : 26,940.18 = 11,562.76 : x
  2. Step 2: Convert to fraction form
    19,520.20/26,940.18 = 11,562.76/x
  3. Step 3: Cross multiply
    19,520.20x = 26,940.18 × 11,562.76
  4. Step 4: Simplify right side
    19,520.20x = 311,502,835.70
  5. Step 5: Solve for x
    x = 311,502,835.70/19,520.20
  6. Step 6: Final answer
    x = 15,957.97

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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.