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Finding the Fourth Proportional to 15,541.53, 23,305 and 5,009.10

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Solution

The fourth proportional to 15,541.53, 23,305 and 5,009.10 is: 7,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.53 : 23,305 = 5,009.10 : x
  2. Step 2: Convert to fraction form
    15,541.53/23,305 = 5,009.10/x
  3. Step 3: Cross multiply
    15,541.53x = 23,305 × 5,009.10
  4. Step 4: Simplify right side
    15,541.53x = 116,737,075.50
  5. Step 5: Solve for x
    x = 116,737,075.50/15,541.53
  6. Step 6: Final answer
    x = 7,511.30

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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.