Home / 13,244.76-19,838.70-12,469.32

Finding the Fourth Proportional to 13,244.76, 19,838.70 and 12,469.32

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Solution

The fourth proportional to 13,244.76, 19,838.70 and 12,469.32 is: 18,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.76 : 19,838.70 = 12,469.32 : x
  2. Step 2: Convert to fraction form
    13,244.76/19,838.70 = 12,469.32/x
  3. Step 3: Cross multiply
    13,244.76x = 19,838.70 × 12,469.32
  4. Step 4: Simplify right side
    13,244.76x = 247,375,098.68
  5. Step 5: Solve for x
    x = 247,375,098.68/13,244.76
  6. Step 6: Final answer
    x = 18,677.21

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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.