Home / 14,005.33-19,327.11-7,631.98

Finding the Fourth Proportional to 14,005.33, 19,327.11 and 7,631.98

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Solution

The fourth proportional to 14,005.33, 19,327.11 and 7,631.98 is: 10,531.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.33 : 19,327.11 = 7,631.98 : x
  2. Step 2: Convert to fraction form
    14,005.33/19,327.11 = 7,631.98/x
  3. Step 3: Cross multiply
    14,005.33x = 19,327.11 × 7,631.98
  4. Step 4: Simplify right side
    14,005.33x = 147,504,049.58
  5. Step 5: Solve for x
    x = 147,504,049.58/14,005.33
  6. Step 6: Final answer
    x = 10,531.99

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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.