Home / 14,204.81-21,310.30-5,439.73

Finding the Fourth Proportional to 14,204.81, 21,310.30 and 5,439.73

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Solution

The fourth proportional to 14,204.81, 21,310.30 and 5,439.73 is: 8,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,204.81 : 21,310.30 = 5,439.73 : x
  2. Step 2: Convert to fraction form
    14,204.81/21,310.30 = 5,439.73/x
  3. Step 3: Cross multiply
    14,204.81x = 21,310.30 × 5,439.73
  4. Step 4: Simplify right side
    14,204.81x = 115,922,197.74
  5. Step 5: Solve for x
    x = 115,922,197.74/14,204.81
  6. Step 6: Final answer
    x = 8,160.77

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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.