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Finding the Fourth Proportional to 18,882.40, 26,051.48 and 10,918.99

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Solution

The fourth proportional to 18,882.40, 26,051.48 and 10,918.99 is: 15,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.40 : 26,051.48 = 10,918.99 : x
  2. Step 2: Convert to fraction form
    18,882.40/26,051.48 = 10,918.99/x
  3. Step 3: Cross multiply
    18,882.40x = 26,051.48 × 10,918.99
  4. Step 4: Simplify right side
    18,882.40x = 284,455,849.61
  5. Step 5: Solve for x
    x = 284,455,849.61/18,882.40
  6. Step 6: Final answer
    x = 15,064.60

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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.