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Finding the Fourth Proportional to 14,998.88, 22,469.02 and 12,918.80

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Solution

The fourth proportional to 14,998.88, 22,469.02 and 12,918.80 is: 19,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.88 : 22,469.02 = 12,918.80 : x
  2. Step 2: Convert to fraction form
    14,998.88/22,469.02 = 12,918.80/x
  3. Step 3: Cross multiply
    14,998.88x = 22,469.02 × 12,918.80
  4. Step 4: Simplify right side
    14,998.88x = 290,272,775.58
  5. Step 5: Solve for x
    x = 290,272,775.58/14,998.88
  6. Step 6: Final answer
    x = 19,352.96

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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.