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Finding the Fourth Proportional to 18,083.19, 24,950.77 and 10,914.28

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Solution

The fourth proportional to 18,083.19, 24,950.77 and 10,914.28 is: 15,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.19 : 24,950.77 = 10,914.28 : x
  2. Step 2: Convert to fraction form
    18,083.19/24,950.77 = 10,914.28/x
  3. Step 3: Cross multiply
    18,083.19x = 24,950.77 × 10,914.28
  4. Step 4: Simplify right side
    18,083.19x = 272,319,600.33
  5. Step 5: Solve for x
    x = 272,319,600.33/18,083.19
  6. Step 6: Final answer
    x = 15,059.27

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1.5x scale

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.