Home / 16,399.41-22,630.93-9,131.45

Finding the Fourth Proportional to 16,399.41, 22,630.93 and 9,131.45

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Solution

The fourth proportional to 16,399.41, 22,630.93 and 9,131.45 is: 12,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,399.41 : 22,630.93 = 9,131.45 : x
  2. Step 2: Convert to fraction form
    16,399.41/22,630.93 = 9,131.45/x
  3. Step 3: Cross multiply
    16,399.41x = 22,630.93 × 9,131.45
  4. Step 4: Simplify right side
    16,399.41x = 206,653,258.36
  5. Step 5: Solve for x
    x = 206,653,258.36/16,399.41
  6. Step 6: Final answer
    x = 12,601.26

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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.