Home / 11,521.62-15,894.27-6,803.19

Finding the Fourth Proportional to 11,521.62, 15,894.27 and 6,803.19

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Solution

The fourth proportional to 11,521.62, 15,894.27 and 6,803.19 is: 9,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.62 : 15,894.27 = 6,803.19 : x
  2. Step 2: Convert to fraction form
    11,521.62/15,894.27 = 6,803.19/x
  3. Step 3: Cross multiply
    11,521.62x = 15,894.27 × 6,803.19
  4. Step 4: Simplify right side
    11,521.62x = 108,131,738.72
  5. Step 5: Solve for x
    x = 108,131,738.72/11,521.62
  6. Step 6: Final answer
    x = 9,385.12

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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.