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Finding the Fourth Proportional to 17,395.64, 26,094.34 and 4,916.57

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Solution

The fourth proportional to 17,395.64, 26,094.34 and 4,916.57 is: 7,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,395.64 : 26,094.34 = 4,916.57 : x
  2. Step 2: Convert to fraction form
    17,395.64/26,094.34 = 4,916.57/x
  3. Step 3: Cross multiply
    17,395.64x = 26,094.34 × 4,916.57
  4. Step 4: Simplify right side
    17,395.64x = 128,294,524.89
  5. Step 5: Solve for x
    x = 128,294,524.89/17,395.64
  6. Step 6: Final answer
    x = 7,375.10

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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.