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Finding the Fourth Proportional to 15,051.84, 20,772.27 and 8,338.20

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Solution

The fourth proportional to 15,051.84, 20,772.27 and 8,338.20 is: 11,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.84 : 20,772.27 = 8,338.20 : x
  2. Step 2: Convert to fraction form
    15,051.84/20,772.27 = 8,338.20/x
  3. Step 3: Cross multiply
    15,051.84x = 20,772.27 × 8,338.20
  4. Step 4: Simplify right side
    15,051.84x = 173,203,341.71
  5. Step 5: Solve for x
    x = 173,203,341.71/15,051.84
  6. Step 6: Final answer
    x = 11,507.12

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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.