Home / 14,220.58-21,320.83-6,318.80

Finding the Fourth Proportional to 14,220.58, 21,320.83 and 6,318.80

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Solution

The fourth proportional to 14,220.58, 21,320.83 and 6,318.80 is: 9,473.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.58 : 21,320.83 = 6,318.80 : x
  2. Step 2: Convert to fraction form
    14,220.58/21,320.83 = 6,318.80/x
  3. Step 3: Cross multiply
    14,220.58x = 21,320.83 × 6,318.80
  4. Step 4: Simplify right side
    14,220.58x = 134,722,098.11
  5. Step 5: Solve for x
    x = 134,722,098.11/14,220.58
  6. Step 6: Final answer
    x = 9,473.74

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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.