Home / 13,401.36-20,104.80-4,635.12

Finding the Fourth Proportional to 13,401.36, 20,104.80 and 4,635.12

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Solution

The fourth proportional to 13,401.36, 20,104.80 and 4,635.12 is: 6,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.36 : 20,104.80 = 4,635.12 : x
  2. Step 2: Convert to fraction form
    13,401.36/20,104.80 = 4,635.12/x
  3. Step 3: Cross multiply
    13,401.36x = 20,104.80 × 4,635.12
  4. Step 4: Simplify right side
    13,401.36x = 93,188,160.58
  5. Step 5: Solve for x
    x = 93,188,160.58/13,401.36
  6. Step 6: Final answer
    x = 6,953.63

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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.