Home / 19,539.76-26,964.24-11,042.20

Finding the Fourth Proportional to 19,539.76, 26,964.24 and 11,042.20

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Solution

The fourth proportional to 19,539.76, 26,964.24 and 11,042.20 is: 15,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.76 : 26,964.24 = 11,042.20 : x
  2. Step 2: Convert to fraction form
    19,539.76/26,964.24 = 11,042.20/x
  3. Step 3: Cross multiply
    19,539.76x = 26,964.24 × 11,042.20
  4. Step 4: Simplify right side
    19,539.76x = 297,744,530.93
  5. Step 5: Solve for x
    x = 297,744,530.93/19,539.76
  6. Step 6: Final answer
    x = 15,237.88

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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.