Home / 12,275.14-16,939.11-6,969.25

Finding the Fourth Proportional to 12,275.14, 16,939.11 and 6,969.25

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Solution

The fourth proportional to 12,275.14, 16,939.11 and 6,969.25 is: 9,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.14 : 16,939.11 = 6,969.25 : x
  2. Step 2: Convert to fraction form
    12,275.14/16,939.11 = 6,969.25/x
  3. Step 3: Cross multiply
    12,275.14x = 16,939.11 × 6,969.25
  4. Step 4: Simplify right side
    12,275.14x = 118,052,892.37
  5. Step 5: Solve for x
    x = 118,052,892.37/12,275.14
  6. Step 6: Final answer
    x = 9,617.23

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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.