Home / 12,165.24-16,788.42-6,860.28

Finding the Fourth Proportional to 12,165.24, 16,788.42 and 6,860.28

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Solution

The fourth proportional to 12,165.24, 16,788.42 and 6,860.28 is: 9,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.24 : 16,788.42 = 6,860.28 : x
  2. Step 2: Convert to fraction form
    12,165.24/16,788.42 = 6,860.28/x
  3. Step 3: Cross multiply
    12,165.24x = 16,788.42 × 6,860.28
  4. Step 4: Simplify right side
    12,165.24x = 115,173,261.96
  5. Step 5: Solve for x
    x = 115,173,261.96/12,165.24
  6. Step 6: Final answer
    x = 9,467.41

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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.