Home / 13,634.46-20,411.88-10,360.44

Finding the Fourth Proportional to 13,634.46, 20,411.88 and 10,360.44

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Solution

The fourth proportional to 13,634.46, 20,411.88 and 10,360.44 is: 15,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.46 : 20,411.88 = 10,360.44 : x
  2. Step 2: Convert to fraction form
    13,634.46/20,411.88 = 10,360.44/x
  3. Step 3: Cross multiply
    13,634.46x = 20,411.88 × 10,360.44
  4. Step 4: Simplify right side
    13,634.46x = 211,476,058.03
  5. Step 5: Solve for x
    x = 211,476,058.03/13,634.46
  6. Step 6: Final answer
    x = 15,510.41

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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.