Home / 12,173.60-16,799.28-6,868.64

Finding the Fourth Proportional to 12,173.60, 16,799.28 and 6,868.64

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Solution

The fourth proportional to 12,173.60, 16,799.28 and 6,868.64 is: 9,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.60 : 16,799.28 = 6,868.64 : x
  2. Step 2: Convert to fraction form
    12,173.60/16,799.28 = 6,868.64/x
  3. Step 3: Cross multiply
    12,173.60x = 16,799.28 × 6,868.64
  4. Step 4: Simplify right side
    12,173.60x = 115,388,206.58
  5. Step 5: Solve for x
    x = 115,388,206.58/12,173.60
  6. Step 6: Final answer
    x = 9,478.56

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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.