Home / 11,089.91-16,626.67-5,239.69

Finding the Fourth Proportional to 11,089.91, 16,626.67 and 5,239.69

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Solution

The fourth proportional to 11,089.91, 16,626.67 and 5,239.69 is: 7,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.91 : 16,626.67 = 5,239.69 : x
  2. Step 2: Convert to fraction form
    11,089.91/16,626.67 = 5,239.69/x
  3. Step 3: Cross multiply
    11,089.91x = 16,626.67 × 5,239.69
  4. Step 4: Simplify right side
    11,089.91x = 87,118,541.87
  5. Step 5: Solve for x
    x = 87,118,541.87/11,089.91
  6. Step 6: Final answer
    x = 7,855.66

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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.