Home / 12,530.73-18,797.72-4,207.17

Finding the Fourth Proportional to 12,530.73, 18,797.72 and 4,207.17

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Solution

The fourth proportional to 12,530.73, 18,797.72 and 4,207.17 is: 6,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.73 : 18,797.72 = 4,207.17 : x
  2. Step 2: Convert to fraction form
    12,530.73/18,797.72 = 4,207.17/x
  3. Step 3: Cross multiply
    12,530.73x = 18,797.72 × 4,207.17
  4. Step 4: Simplify right side
    12,530.73x = 79,085,182.62
  5. Step 5: Solve for x
    x = 79,085,182.62/12,530.73
  6. Step 6: Final answer
    x = 6,311.30

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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.