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Finding the Fourth Proportional to 17,391.84, 26,089.82 and 6,303.76

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Solution

The fourth proportional to 17,391.84, 26,089.82 and 6,303.76 is: 9,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.84 : 26,089.82 = 6,303.76 : x
  2. Step 2: Convert to fraction form
    17,391.84/26,089.82 = 6,303.76/x
  3. Step 3: Cross multiply
    17,391.84x = 26,089.82 × 6,303.76
  4. Step 4: Simplify right side
    17,391.84x = 164,463,963.72
  5. Step 5: Solve for x
    x = 164,463,963.72/17,391.84
  6. Step 6: Final answer
    x = 9,456.39

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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.