Home / 14,197.80-21,300.38-6,807.96

Finding the Fourth Proportional to 14,197.80, 21,300.38 and 6,807.96

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Solution

The fourth proportional to 14,197.80, 21,300.38 and 6,807.96 is: 10,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,197.80 : 21,300.38 = 6,807.96 : x
  2. Step 2: Convert to fraction form
    14,197.80/21,300.38 = 6,807.96/x
  3. Step 3: Cross multiply
    14,197.80x = 21,300.38 × 6,807.96
  4. Step 4: Simplify right side
    14,197.80x = 145,012,135.02
  5. Step 5: Solve for x
    x = 145,012,135.02/14,197.80
  6. Step 6: Final answer
    x = 10,213.70

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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.