Home / 19,479.50-29,194.39-9,486.64

Finding the Fourth Proportional to 19,479.50, 29,194.39 and 9,486.64

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Solution

The fourth proportional to 19,479.50, 29,194.39 and 9,486.64 is: 14,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.50 : 29,194.39 = 9,486.64 : x
  2. Step 2: Convert to fraction form
    19,479.50/29,194.39 = 9,486.64/x
  3. Step 3: Cross multiply
    19,479.50x = 29,194.39 × 9,486.64
  4. Step 4: Simplify right side
    19,479.50x = 276,956,667.95
  5. Step 5: Solve for x
    x = 276,956,667.95/19,479.50
  6. Step 6: Final answer
    x = 14,217.85

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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.