Home / 15,109.14-22,644.57-8,539.05

Finding the Fourth Proportional to 15,109.14, 22,644.57 and 8,539.05

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Solution

The fourth proportional to 15,109.14, 22,644.57 and 8,539.05 is: 12,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.14 : 22,644.57 = 8,539.05 : x
  2. Step 2: Convert to fraction form
    15,109.14/22,644.57 = 8,539.05/x
  3. Step 3: Cross multiply
    15,109.14x = 22,644.57 × 8,539.05
  4. Step 4: Simplify right side
    15,109.14x = 193,363,115.46
  5. Step 5: Solve for x
    x = 193,363,115.46/15,109.14
  6. Step 6: Final answer
    x = 12,797.76

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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.