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Finding the Fourth Proportional to 18,297.57, 25,250.65 and 9,914.07

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Solution

The fourth proportional to 18,297.57, 25,250.65 and 9,914.07 is: 13,681.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.57 : 25,250.65 = 9,914.07 : x
  2. Step 2: Convert to fraction form
    18,297.57/25,250.65 = 9,914.07/x
  3. Step 3: Cross multiply
    18,297.57x = 25,250.65 × 9,914.07
  4. Step 4: Simplify right side
    18,297.57x = 250,336,592.17
  5. Step 5: Solve for x
    x = 250,336,592.17/18,297.57
  6. Step 6: Final answer
    x = 13,681.41

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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.