Home / 16,531.29-24,782.36-6,135.75

Finding the Fourth Proportional to 16,531.29, 24,782.36 and 6,135.75

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Solution

The fourth proportional to 16,531.29, 24,782.36 and 6,135.75 is: 9,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.29 : 24,782.36 = 6,135.75 : x
  2. Step 2: Convert to fraction form
    16,531.29/24,782.36 = 6,135.75/x
  3. Step 3: Cross multiply
    16,531.29x = 24,782.36 × 6,135.75
  4. Step 4: Simplify right side
    16,531.29x = 152,058,334.69
  5. Step 5: Solve for x
    x = 152,058,334.69/16,531.29
  6. Step 6: Final answer
    x = 9,198.21

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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.