Home / 12,286.02-16,954.08-6,980.70

Finding the Fourth Proportional to 12,286.02, 16,954.08 and 6,980.70

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Solution

The fourth proportional to 12,286.02, 16,954.08 and 6,980.70 is: 9,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.02 : 16,954.08 = 6,980.70 : x
  2. Step 2: Convert to fraction form
    12,286.02/16,954.08 = 6,980.70/x
  3. Step 3: Cross multiply
    12,286.02x = 16,954.08 × 6,980.70
  4. Step 4: Simplify right side
    12,286.02x = 118,351,346.26
  5. Step 5: Solve for x
    x = 118,351,346.26/12,286.02
  6. Step 6: Final answer
    x = 9,633.01

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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.