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Finding the Fourth Proportional to 14,658.69, 21,988.03 and 6,450.69

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Solution

The fourth proportional to 14,658.69, 21,988.03 and 6,450.69 is: 9,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.69 : 21,988.03 = 6,450.69 : x
  2. Step 2: Convert to fraction form
    14,658.69/21,988.03 = 6,450.69/x
  3. Step 3: Cross multiply
    14,658.69x = 21,988.03 × 6,450.69
  4. Step 4: Simplify right side
    14,658.69x = 141,837,918.33
  5. Step 5: Solve for x
    x = 141,837,918.33/14,658.69
  6. Step 6: Final answer
    x = 9,676.03

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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.