Home / 12,154.08-16,754.88-8,794.20

Finding the Fourth Proportional to 12,154.08, 16,754.88 and 8,794.20

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Solution

The fourth proportional to 12,154.08, 16,754.88 and 8,794.20 is: 12,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.08 : 16,754.88 = 8,794.20 : x
  2. Step 2: Convert to fraction form
    12,154.08/16,754.88 = 8,794.20/x
  3. Step 3: Cross multiply
    12,154.08x = 16,754.88 × 8,794.20
  4. Step 4: Simplify right side
    12,154.08x = 147,345,765.70
  5. Step 5: Solve for x
    x = 147,345,765.70/12,154.08
  6. Step 6: Final answer
    x = 12,123.15

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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.