Home / 13,120.46-19,664.28-10,336.13

Finding the Fourth Proportional to 13,120.46, 19,664.28 and 10,336.13

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Solution

The fourth proportional to 13,120.46, 19,664.28 and 10,336.13 is: 15,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120.46 : 19,664.28 = 10,336.13 : x
  2. Step 2: Convert to fraction form
    13,120.46/19,664.28 = 10,336.13/x
  3. Step 3: Cross multiply
    13,120.46x = 19,664.28 × 10,336.13
  4. Step 4: Simplify right side
    13,120.46x = 203,252,554.44
  5. Step 5: Solve for x
    x = 203,252,554.44/13,120.46
  6. Step 6: Final answer
    x = 15,491.27

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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.