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Finding the Fourth Proportional to 17,388.40, 26,087.48 and 7,007.44

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Solution

The fourth proportional to 17,388.40, 26,087.48 and 7,007.44 is: 10,513.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.40 : 26,087.48 = 7,007.44 : x
  2. Step 2: Convert to fraction form
    17,388.40/26,087.48 = 7,007.44/x
  3. Step 3: Cross multiply
    17,388.40x = 26,087.48 × 7,007.44
  4. Step 4: Simplify right side
    17,388.40x = 182,806,450.85
  5. Step 5: Solve for x
    x = 182,806,450.85/17,388.40
  6. Step 6: Final answer
    x = 10,513.13

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1.5x scale

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.