Home / 11,739.50-17,603.67-6,810.65

Finding the Fourth Proportional to 11,739.50, 17,603.67 and 6,810.65

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Solution

The fourth proportional to 11,739.50, 17,603.67 and 6,810.65 is: 10,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.50 : 17,603.67 = 6,810.65 : x
  2. Step 2: Convert to fraction form
    11,739.50/17,603.67 = 6,810.65/x
  3. Step 3: Cross multiply
    11,739.50x = 17,603.67 × 6,810.65
  4. Step 4: Simplify right side
    11,739.50x = 119,892,438.62
  5. Step 5: Solve for x
    x = 119,892,438.62/11,739.50
  6. Step 6: Final answer
    x = 10,212.74

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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.