Home / 11,247.06-15,521.64-6,468.51

Finding the Fourth Proportional to 11,247.06, 15,521.64 and 6,468.51

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Solution

The fourth proportional to 11,247.06, 15,521.64 and 6,468.51 is: 8,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.06 : 15,521.64 = 6,468.51 : x
  2. Step 2: Convert to fraction form
    11,247.06/15,521.64 = 6,468.51/x
  3. Step 3: Cross multiply
    11,247.06x = 15,521.64 × 6,468.51
  4. Step 4: Simplify right side
    11,247.06x = 100,401,883.56
  5. Step 5: Solve for x
    x = 100,401,883.56/11,247.06
  6. Step 6: Final answer
    x = 8,926.94

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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.