Home / 14,720.36-20,311.34-8,753.50

Finding the Fourth Proportional to 14,720.36, 20,311.34 and 8,753.50

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Solution

The fourth proportional to 14,720.36, 20,311.34 and 8,753.50 is: 12,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.36 : 20,311.34 = 8,753.50 : x
  2. Step 2: Convert to fraction form
    14,720.36/20,311.34 = 8,753.50/x
  3. Step 3: Cross multiply
    14,720.36x = 20,311.34 × 8,753.50
  4. Step 4: Simplify right side
    14,720.36x = 177,795,285.80
  5. Step 5: Solve for x
    x = 177,795,285.80/14,720.36
  6. Step 6: Final answer
    x = 12,078.19

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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.