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Finding the Fourth Proportional to 11,295.61, 16,935.86 and 4,362.01

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Solution

The fourth proportional to 11,295.61, 16,935.86 and 4,362.01 is: 6,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.61 : 16,935.86 = 4,362.01 : x
  2. Step 2: Convert to fraction form
    11,295.61/16,935.86 = 4,362.01/x
  3. Step 3: Cross multiply
    11,295.61x = 16,935.86 × 4,362.01
  4. Step 4: Simplify right side
    11,295.61x = 73,874,368.87
  5. Step 5: Solve for x
    x = 73,874,368.87/11,295.61
  6. Step 6: Final answer
    x = 6,540.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.