Home / 12,623.18-18,914.01-7,677.92

Finding the Fourth Proportional to 12,623.18, 18,914.01 and 7,677.92

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Solution

The fourth proportional to 12,623.18, 18,914.01 and 7,677.92 is: 11,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.18 : 18,914.01 = 7,677.92 : x
  2. Step 2: Convert to fraction form
    12,623.18/18,914.01 = 7,677.92/x
  3. Step 3: Cross multiply
    12,623.18x = 18,914.01 × 7,677.92
  4. Step 4: Simplify right side
    12,623.18x = 145,220,274.15
  5. Step 5: Solve for x
    x = 145,220,274.15/12,623.18
  6. Step 6: Final answer
    x = 11,504.26

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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.