Home / 9,228.65-12,728.73-6,960.08

Finding the Fourth Proportional to 9,228.65, 12,728.73 and 6,960.08

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Solution

The fourth proportional to 9,228.65, 12,728.73 and 6,960.08 is: 9,599.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.65 : 12,728.73 = 6,960.08 : x
  2. Step 2: Convert to fraction form
    9,228.65/12,728.73 = 6,960.08/x
  3. Step 3: Cross multiply
    9,228.65x = 12,728.73 × 6,960.08
  4. Step 4: Simplify right side
    9,228.65x = 88,593,028.32
  5. Step 5: Solve for x
    x = 88,593,028.32/9,228.65
  6. Step 6: Final answer
    x = 9,599.78

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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.