Home / 12,544.08-17,390.08-11,878.28

Finding the Fourth Proportional to 12,544.08, 17,390.08 and 11,878.28

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Solution

The fourth proportional to 12,544.08, 17,390.08 and 11,878.28 is: 16,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.08 : 17,390.08 = 11,878.28 : x
  2. Step 2: Convert to fraction form
    12,544.08/17,390.08 = 11,878.28/x
  3. Step 3: Cross multiply
    12,544.08x = 17,390.08 × 11,878.28
  4. Step 4: Simplify right side
    12,544.08x = 206,564,239.46
  5. Step 5: Solve for x
    x = 206,564,239.46/12,544.08
  6. Step 6: Final answer
    x = 16,467.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.