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Finding the Fourth Proportional to 14,662.26, 21,993.39 and 7,624.98

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Solution

The fourth proportional to 14,662.26, 21,993.39 and 7,624.98 is: 11,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.26 : 21,993.39 = 7,624.98 : x
  2. Step 2: Convert to fraction form
    14,662.26/21,993.39 = 7,624.98/x
  3. Step 3: Cross multiply
    14,662.26x = 21,993.39 × 7,624.98
  4. Step 4: Simplify right side
    14,662.26x = 167,699,158.88
  5. Step 5: Solve for x
    x = 167,699,158.88/14,662.26
  6. Step 6: Final answer
    x = 11,437.47

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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.