Home / 14,190.80-21,289.88-6,800.96

Finding the Fourth Proportional to 14,190.80, 21,289.88 and 6,800.96

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Solution

The fourth proportional to 14,190.80, 21,289.88 and 6,800.96 is: 10,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.80 : 21,289.88 = 6,800.96 : x
  2. Step 2: Convert to fraction form
    14,190.80/21,289.88 = 6,800.96/x
  3. Step 3: Cross multiply
    14,190.80x = 21,289.88 × 6,800.96
  4. Step 4: Simplify right side
    14,190.80x = 144,791,622.28
  5. Step 5: Solve for x
    x = 144,791,622.28/14,190.80
  6. Step 6: Final answer
    x = 10,203.20

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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.