Home / 13,169.18-19,751.61-6,149.91

Finding the Fourth Proportional to 13,169.18, 19,751.61 and 6,149.91

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Solution

The fourth proportional to 13,169.18, 19,751.61 and 6,149.91 is: 9,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.18 : 19,751.61 = 6,149.91 : x
  2. Step 2: Convert to fraction form
    13,169.18/19,751.61 = 6,149.91/x
  3. Step 3: Cross multiply
    13,169.18x = 19,751.61 × 6,149.91
  4. Step 4: Simplify right side
    13,169.18x = 121,470,623.86
  5. Step 5: Solve for x
    x = 121,470,623.86/13,169.18
  6. Step 6: Final answer
    x = 9,223.86

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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.