Home / 16,389.14-24,566.49-8,991.41

Finding the Fourth Proportional to 16,389.14, 24,566.49 and 8,991.41

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Solution

The fourth proportional to 16,389.14, 24,566.49 and 8,991.41 is: 13,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.14 : 24,566.49 = 8,991.41 : x
  2. Step 2: Convert to fraction form
    16,389.14/24,566.49 = 8,991.41/x
  3. Step 3: Cross multiply
    16,389.14x = 24,566.49 × 8,991.41
  4. Step 4: Simplify right side
    16,389.14x = 220,887,261.02
  5. Step 5: Solve for x
    x = 220,887,261.02/16,389.14
  6. Step 6: Final answer
    x = 13,477.66

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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.