Home / 11,238.28-15,507.66-6,521.65

Finding the Fourth Proportional to 11,238.28, 15,507.66 and 6,521.65

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Solution

The fourth proportional to 11,238.28, 15,507.66 and 6,521.65 is: 8,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.28 : 15,507.66 = 6,521.65 : x
  2. Step 2: Convert to fraction form
    11,238.28/15,507.66 = 6,521.65/x
  3. Step 3: Cross multiply
    11,238.28x = 15,507.66 × 6,521.65
  4. Step 4: Simplify right side
    11,238.28x = 101,135,530.84
  5. Step 5: Solve for x
    x = 101,135,530.84/11,238.28
  6. Step 6: Final answer
    x = 8,999.20

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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.