Home / 15,138.06-22,658.38-8,100.36

Finding the Fourth Proportional to 15,138.06, 22,658.38 and 8,100.36

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Solution

The fourth proportional to 15,138.06, 22,658.38 and 8,100.36 is: 12,124.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.06 : 22,658.38 = 8,100.36 : x
  2. Step 2: Convert to fraction form
    15,138.06/22,658.38 = 8,100.36/x
  3. Step 3: Cross multiply
    15,138.06x = 22,658.38 × 8,100.36
  4. Step 4: Simplify right side
    15,138.06x = 183,541,035.02
  5. Step 5: Solve for x
    x = 183,541,035.02/15,138.06
  6. Step 6: Final answer
    x = 12,124.48

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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.