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Finding the Fourth Proportional to 17,374.61, 26,057.91 and 10,356.60

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Solution

The fourth proportional to 17,374.61, 26,057.91 and 10,356.60 is: 15,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,374.61 : 26,057.91 = 10,356.60 : x
  2. Step 2: Convert to fraction form
    17,374.61/26,057.91 = 10,356.60/x
  3. Step 3: Cross multiply
    17,374.61x = 26,057.91 × 10,356.60
  4. Step 4: Simplify right side
    17,374.61x = 269,871,350.71
  5. Step 5: Solve for x
    x = 269,871,350.71/17,374.61
  6. Step 6: Final answer
    x = 15,532.51

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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.