Home / 14,217.84-19,620.33-8,250.09

Finding the Fourth Proportional to 14,217.84, 19,620.33 and 8,250.09

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Solution

The fourth proportional to 14,217.84, 19,620.33 and 8,250.09 is: 11,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.84 : 19,620.33 = 8,250.09 : x
  2. Step 2: Convert to fraction form
    14,217.84/19,620.33 = 8,250.09/x
  3. Step 3: Cross multiply
    14,217.84x = 19,620.33 × 8,250.09
  4. Step 4: Simplify right side
    14,217.84x = 161,869,488.33
  5. Step 5: Solve for x
    x = 161,869,488.33/14,217.84
  6. Step 6: Final answer
    x = 11,384.96

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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.