Home / 22,161.84-30,583.74-12,090.62

Finding the Fourth Proportional to 22,161.84, 30,583.74 and 12,090.62

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Solution

The fourth proportional to 22,161.84, 30,583.74 and 12,090.62 is: 16,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.84 : 30,583.74 = 12,090.62 : x
  2. Step 2: Convert to fraction form
    22,161.84/30,583.74 = 12,090.62/x
  3. Step 3: Cross multiply
    22,161.84x = 30,583.74 × 12,090.62
  4. Step 4: Simplify right side
    22,161.84x = 369,776,378.52
  5. Step 5: Solve for x
    x = 369,776,378.52/22,161.84
  6. Step 6: Final answer
    x = 16,685.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.