Home / 12,587.16-18,880.64-3,227.16

Finding the Fourth Proportional to 12,587.16, 18,880.64 and 3,227.16

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Solution

The fourth proportional to 12,587.16, 18,880.64 and 3,227.16 is: 4,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.16 : 18,880.64 = 3,227.16 : x
  2. Step 2: Convert to fraction form
    12,587.16/18,880.64 = 3,227.16/x
  3. Step 3: Cross multiply
    12,587.16x = 18,880.64 × 3,227.16
  4. Step 4: Simplify right side
    12,587.16x = 60,930,846.18
  5. Step 5: Solve for x
    x = 60,930,846.18/12,587.16
  6. Step 6: Final answer
    x = 4,840.71

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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.