Home / 12,286.28-16,955.10-6,697.28

Finding the Fourth Proportional to 12,286.28, 16,955.10 and 6,697.28

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Solution

The fourth proportional to 12,286.28, 16,955.10 and 6,697.28 is: 9,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.28 : 16,955.10 = 6,697.28 : x
  2. Step 2: Convert to fraction form
    12,286.28/16,955.10 = 6,697.28/x
  3. Step 3: Cross multiply
    12,286.28x = 16,955.10 × 6,697.28
  4. Step 4: Simplify right side
    12,286.28x = 113,553,052.13
  5. Step 5: Solve for x
    x = 113,553,052.13/12,286.28
  6. Step 6: Final answer
    x = 9,242.26

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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.