Home / 13,195.19-19,794.60-4,432.61

Finding the Fourth Proportional to 13,195.19, 19,794.60 and 4,432.61

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Solution

The fourth proportional to 13,195.19, 19,794.60 and 4,432.61 is: 6,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.19 : 19,794.60 = 4,432.61 : x
  2. Step 2: Convert to fraction form
    13,195.19/19,794.60 = 4,432.61/x
  3. Step 3: Cross multiply
    13,195.19x = 19,794.60 × 4,432.61
  4. Step 4: Simplify right side
    13,195.19x = 87,741,642.93
  5. Step 5: Solve for x
    x = 87,741,642.93/13,195.19
  6. Step 6: Final answer
    x = 6,649.52

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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.