Home / 14,222.21-19,604.30-9,738.20

Finding the Fourth Proportional to 14,222.21, 19,604.30 and 9,738.20

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Solution

The fourth proportional to 14,222.21, 19,604.30 and 9,738.20 is: 13,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.21 : 19,604.30 = 9,738.20 : x
  2. Step 2: Convert to fraction form
    14,222.21/19,604.30 = 9,738.20/x
  3. Step 3: Cross multiply
    14,222.21x = 19,604.30 × 9,738.20
  4. Step 4: Simplify right side
    14,222.21x = 190,910,594.58
  5. Step 5: Solve for x
    x = 190,910,594.58/14,222.21
  6. Step 6: Final answer
    x = 13,423.42

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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.