Home / 18,260.44-25,176.56-15,239.90

Finding the Fourth Proportional to 18,260.44, 25,176.56 and 15,239.90

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Solution

The fourth proportional to 18,260.44, 25,176.56 and 15,239.90 is: 21,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.44 : 25,176.56 = 15,239.90 : x
  2. Step 2: Convert to fraction form
    18,260.44/25,176.56 = 15,239.90/x
  3. Step 3: Cross multiply
    18,260.44x = 25,176.56 × 15,239.90
  4. Step 4: Simplify right side
    18,260.44x = 383,688,092.76
  5. Step 5: Solve for x
    x = 383,688,092.76/18,260.44
  6. Step 6: Final answer
    x = 21,011.99

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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.