Home / 16,539-22,823.64-8,985.35

Finding the Fourth Proportional to 16,539, 22,823.64 and 8,985.35

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Solution

The fourth proportional to 16,539, 22,823.64 and 8,985.35 is: 12,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,539 : 22,823.64 = 8,985.35 : x
  2. Step 2: Convert to fraction form
    16,539/22,823.64 = 8,985.35/x
  3. Step 3: Cross multiply
    16,539x = 22,823.64 × 8,985.35
  4. Step 4: Simplify right side
    16,539x = 205,078,279.56
  5. Step 5: Solve for x
    x = 205,078,279.56/16,539
  6. Step 6: Final answer
    x = 12,399.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.