Home / 12,210.22-16,858.26-9,372.52

Finding the Fourth Proportional to 12,210.22, 16,858.26 and 9,372.52

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Solution

The fourth proportional to 12,210.22, 16,858.26 and 9,372.52 is: 12,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.22 : 16,858.26 = 9,372.52 : x
  2. Step 2: Convert to fraction form
    12,210.22/16,858.26 = 9,372.52/x
  3. Step 3: Cross multiply
    12,210.22x = 16,858.26 × 9,372.52
  4. Step 4: Simplify right side
    12,210.22x = 158,004,379.02
  5. Step 5: Solve for x
    x = 158,004,379.02/12,210.22
  6. Step 6: Final answer
    x = 12,940.34

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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.