Home / 18,817.53-26,000.46-18,144

Finding the Fourth Proportional to 18,817.53, 26,000.46 and 18,144

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Solution

The fourth proportional to 18,817.53, 26,000.46 and 18,144 is: 25,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.53 : 26,000.46 = 18,144 : x
  2. Step 2: Convert to fraction form
    18,817.53/26,000.46 = 18,144/x
  3. Step 3: Cross multiply
    18,817.53x = 26,000.46 × 18,144
  4. Step 4: Simplify right side
    18,817.53x = 471,752,346.24
  5. Step 5: Solve for x
    x = 471,752,346.24/18,817.53
  6. Step 6: Final answer
    x = 25,069.84

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Why These Related Problems?

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