Home / 14,811.56-20,440.19-8,843.75

Finding the Fourth Proportional to 14,811.56, 20,440.19 and 8,843.75

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Solution

The fourth proportional to 14,811.56, 20,440.19 and 8,843.75 is: 12,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.56 : 20,440.19 = 8,843.75 : x
  2. Step 2: Convert to fraction form
    14,811.56/20,440.19 = 8,843.75/x
  3. Step 3: Cross multiply
    14,811.56x = 20,440.19 × 8,843.75
  4. Step 4: Simplify right side
    14,811.56x = 180,767,859.19
  5. Step 5: Solve for x
    x = 180,767,859.19/14,811.56
  6. Step 6: Final answer
    x = 12,204.51

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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.