Home / 15,149.91-22,705.88-8,112.48

Finding the Fourth Proportional to 15,149.91, 22,705.88 and 8,112.48

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Solution

The fourth proportional to 15,149.91, 22,705.88 and 8,112.48 is: 12,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.91 : 22,705.88 = 8,112.48 : x
  2. Step 2: Convert to fraction form
    15,149.91/22,705.88 = 8,112.48/x
  3. Step 3: Cross multiply
    15,149.91x = 22,705.88 × 8,112.48
  4. Step 4: Simplify right side
    15,149.91x = 184,200,871.67
  5. Step 5: Solve for x
    x = 184,200,871.67/15,149.91
  6. Step 6: Final answer
    x = 12,158.55

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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.