Home / 16,878.09-23,291.49-9,324.74

Finding the Fourth Proportional to 16,878.09, 23,291.49 and 9,324.74

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Solution

The fourth proportional to 16,878.09, 23,291.49 and 9,324.74 is: 12,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.09 : 23,291.49 = 9,324.74 : x
  2. Step 2: Convert to fraction form
    16,878.09/23,291.49 = 9,324.74/x
  3. Step 3: Cross multiply
    16,878.09x = 23,291.49 × 9,324.74
  4. Step 4: Simplify right side
    16,878.09x = 217,187,181.66
  5. Step 5: Solve for x
    x = 217,187,181.66/16,878.09
  6. Step 6: Final answer
    x = 12,867.99

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1.5x scale

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.