Home / 11,225.91-15,491.04-6,189.86

Finding the Fourth Proportional to 11,225.91, 15,491.04 and 6,189.86

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Solution

The fourth proportional to 11,225.91, 15,491.04 and 6,189.86 is: 8,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.91 : 15,491.04 = 6,189.86 : x
  2. Step 2: Convert to fraction form
    11,225.91/15,491.04 = 6,189.86/x
  3. Step 3: Cross multiply
    11,225.91x = 15,491.04 × 6,189.86
  4. Step 4: Simplify right side
    11,225.91x = 95,887,291.40
  5. Step 5: Solve for x
    x = 95,887,291.40/11,225.91
  6. Step 6: Final answer
    x = 8,541.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.