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Finding the Fourth Proportional to 19,345, 26,696.10 and 10,513

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Solution

The fourth proportional to 19,345, 26,696.10 and 10,513 is: 14,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345 : 26,696.10 = 10,513 : x
  2. Step 2: Convert to fraction form
    19,345/26,696.10 = 10,513/x
  3. Step 3: Cross multiply
    19,345x = 26,696.10 × 10,513
  4. Step 4: Simplify right side
    19,345x = 280,656,099.30
  5. Step 5: Solve for x
    x = 280,656,099.30/19,345
  6. Step 6: Final answer
    x = 14,507.94

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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.