Home / 13,625.46-18,811.17-12,838.14

Finding the Fourth Proportional to 13,625.46, 18,811.17 and 12,838.14

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Solution

The fourth proportional to 13,625.46, 18,811.17 and 12,838.14 is: 17,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.46 : 18,811.17 = 12,838.14 : x
  2. Step 2: Convert to fraction form
    13,625.46/18,811.17 = 12,838.14/x
  3. Step 3: Cross multiply
    13,625.46x = 18,811.17 × 12,838.14
  4. Step 4: Simplify right side
    13,625.46x = 241,500,434.02
  5. Step 5: Solve for x
    x = 241,500,434.02/13,625.46
  6. Step 6: Final answer
    x = 17,724.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.