Home / 12,165.63-16,788.35-6,860.46

Finding the Fourth Proportional to 12,165.63, 16,788.35 and 6,860.46

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Solution

The fourth proportional to 12,165.63, 16,788.35 and 6,860.46 is: 9,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.63 : 16,788.35 = 6,860.46 : x
  2. Step 2: Convert to fraction form
    12,165.63/16,788.35 = 6,860.46/x
  3. Step 3: Cross multiply
    12,165.63x = 16,788.35 × 6,860.46
  4. Step 4: Simplify right side
    12,165.63x = 115,175,769.34
  5. Step 5: Solve for x
    x = 115,175,769.34/12,165.63
  6. Step 6: Final answer
    x = 9,467.31

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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.