Home / 11,161.32-16,754.28-6,486.60

Finding the Fourth Proportional to 11,161.32, 16,754.28 and 6,486.60

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Solution

The fourth proportional to 11,161.32, 16,754.28 and 6,486.60 is: 9,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.32 : 16,754.28 = 6,486.60 : x
  2. Step 2: Convert to fraction form
    11,161.32/16,754.28 = 6,486.60/x
  3. Step 3: Cross multiply
    11,161.32x = 16,754.28 × 6,486.60
  4. Step 4: Simplify right side
    11,161.32x = 108,678,312.65
  5. Step 5: Solve for x
    x = 108,678,312.65/11,161.32
  6. Step 6: Final answer
    x = 9,737.05

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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.