Home / 14,219.10-19,623.33-8,250.78

Finding the Fourth Proportional to 14,219.10, 19,623.33 and 8,250.78

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Solution

The fourth proportional to 14,219.10, 19,623.33 and 8,250.78 is: 11,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.10 : 19,623.33 = 8,250.78 : x
  2. Step 2: Convert to fraction form
    14,219.10/19,623.33 = 8,250.78/x
  3. Step 3: Cross multiply
    14,219.10x = 19,623.33 × 8,250.78
  4. Step 4: Simplify right side
    14,219.10x = 161,907,778.70
  5. Step 5: Solve for x
    x = 161,907,778.70/14,219.10
  6. Step 6: Final answer
    x = 11,386.64

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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.