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Finding the Fourth Proportional to 13,150.08, 18,145.08 and 7,560

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Solution

The fourth proportional to 13,150.08, 18,145.08 and 7,560 is: 10,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.08 : 18,145.08 = 7,560 : x
  2. Step 2: Convert to fraction form
    13,150.08/18,145.08 = 7,560/x
  3. Step 3: Cross multiply
    13,150.08x = 18,145.08 × 7,560
  4. Step 4: Simplify right side
    13,150.08x = 137,176,804.80
  5. Step 5: Solve for x
    x = 137,176,804.80/13,150.08
  6. Step 6: Final answer
    x = 10,431.63

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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.