Home / 18,999.58-26,219.82-11,042.50

Finding the Fourth Proportional to 18,999.58, 26,219.82 and 11,042.50

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Solution

The fourth proportional to 18,999.58, 26,219.82 and 11,042.50 is: 15,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.58 : 26,219.82 = 11,042.50 : x
  2. Step 2: Convert to fraction form
    18,999.58/26,219.82 = 11,042.50/x
  3. Step 3: Cross multiply
    18,999.58x = 26,219.82 × 11,042.50
  4. Step 4: Simplify right side
    18,999.58x = 289,532,362.35
  5. Step 5: Solve for x
    x = 289,532,362.35/18,999.58
  6. Step 6: Final answer
    x = 15,238.88

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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.