Home / 13,914.12-20,872.47-4,554.21

Finding the Fourth Proportional to 13,914.12, 20,872.47 and 4,554.21

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Solution

The fourth proportional to 13,914.12, 20,872.47 and 4,554.21 is: 6,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.12 : 20,872.47 = 4,554.21 : x
  2. Step 2: Convert to fraction form
    13,914.12/20,872.47 = 4,554.21/x
  3. Step 3: Cross multiply
    13,914.12x = 20,872.47 × 4,554.21
  4. Step 4: Simplify right side
    13,914.12x = 95,057,611.60
  5. Step 5: Solve for x
    x = 95,057,611.60/13,914.12
  6. Step 6: Final answer
    x = 6,831.74

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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.