Home / 11,152.62-15,390.39-6,184.62

Finding the Fourth Proportional to 11,152.62, 15,390.39 and 6,184.62

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Solution

The fourth proportional to 11,152.62, 15,390.39 and 6,184.62 is: 8,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.62 : 15,390.39 = 6,184.62 : x
  2. Step 2: Convert to fraction form
    11,152.62/15,390.39 = 6,184.62/x
  3. Step 3: Cross multiply
    11,152.62x = 15,390.39 × 6,184.62
  4. Step 4: Simplify right side
    11,152.62x = 95,183,713.80
  5. Step 5: Solve for x
    x = 95,183,713.80/11,152.62
  6. Step 6: Final answer
    x = 8,534.65

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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.