Home / 12,468.08-17,228.76-11,860.64

Finding the Fourth Proportional to 12,468.08, 17,228.76 and 11,860.64

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Solution

The fourth proportional to 12,468.08, 17,228.76 and 11,860.64 is: 16,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.08 : 17,228.76 = 11,860.64 : x
  2. Step 2: Convert to fraction form
    12,468.08/17,228.76 = 11,860.64/x
  3. Step 3: Cross multiply
    12,468.08x = 17,228.76 × 11,860.64
  4. Step 4: Simplify right side
    12,468.08x = 204,344,120.01
  5. Step 5: Solve for x
    x = 204,344,120.01/12,468.08
  6. Step 6: Final answer
    x = 16,389.38

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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.