Home / 11,883.16-16,399.02-6,578.34

Finding the Fourth Proportional to 11,883.16, 16,399.02 and 6,578.34

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Solution

The fourth proportional to 11,883.16, 16,399.02 and 6,578.34 is: 9,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.16 : 16,399.02 = 6,578.34 : x
  2. Step 2: Convert to fraction form
    11,883.16/16,399.02 = 6,578.34/x
  3. Step 3: Cross multiply
    11,883.16x = 16,399.02 × 6,578.34
  4. Step 4: Simplify right side
    11,883.16x = 107,878,329.23
  5. Step 5: Solve for x
    x = 107,878,329.23/11,883.16
  6. Step 6: Final answer
    x = 9,078.25

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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.