Home / 13,971.77-20,957.18-3,583.61

Finding the Fourth Proportional to 13,971.77, 20,957.18 and 3,583.61

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Solution

The fourth proportional to 13,971.77, 20,957.18 and 3,583.61 is: 5,375.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.77 : 20,957.18 = 3,583.61 : x
  2. Step 2: Convert to fraction form
    13,971.77/20,957.18 = 3,583.61/x
  3. Step 3: Cross multiply
    13,971.77x = 20,957.18 × 3,583.61
  4. Step 4: Simplify right side
    13,971.77x = 75,102,341.90
  5. Step 5: Solve for x
    x = 75,102,341.90/13,971.77
  6. Step 6: Final answer
    x = 5,375.29

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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.