Home / 11,089.08-16,648.20-7,803.72

Finding the Fourth Proportional to 11,089.08, 16,648.20 and 7,803.72

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Solution

The fourth proportional to 11,089.08, 16,648.20 and 7,803.72 is: 11,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.08 : 16,648.20 = 7,803.72 : x
  2. Step 2: Convert to fraction form
    11,089.08/16,648.20 = 7,803.72/x
  3. Step 3: Cross multiply
    11,089.08x = 16,648.20 × 7,803.72
  4. Step 4: Simplify right side
    11,089.08x = 129,917,891.30
  5. Step 5: Solve for x
    x = 129,917,891.30/11,089.08
  6. Step 6: Final answer
    x = 11,715.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.