Home / 12,165.56-16,788.44-6,860.34

Finding the Fourth Proportional to 12,165.56, 16,788.44 and 6,860.34

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Solution

The fourth proportional to 12,165.56, 16,788.44 and 6,860.34 is: 9,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.56 : 16,788.44 = 6,860.34 : x
  2. Step 2: Convert to fraction form
    12,165.56/16,788.44 = 6,860.34/x
  3. Step 3: Cross multiply
    12,165.56x = 16,788.44 × 6,860.34
  4. Step 4: Simplify right side
    12,165.56x = 115,174,406.47
  5. Step 5: Solve for x
    x = 115,174,406.47/12,165.56
  6. Step 6: Final answer
    x = 9,467.25

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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.