Home / 12,410.22-17,127.66-7,695.21

Finding the Fourth Proportional to 12,410.22, 17,127.66 and 7,695.21

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Solution

The fourth proportional to 12,410.22, 17,127.66 and 7,695.21 is: 10,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.22 : 17,127.66 = 7,695.21 : x
  2. Step 2: Convert to fraction form
    12,410.22/17,127.66 = 7,695.21/x
  3. Step 3: Cross multiply
    12,410.22x = 17,127.66 × 7,695.21
  4. Step 4: Simplify right side
    12,410.22x = 131,800,940.51
  5. Step 5: Solve for x
    x = 131,800,940.51/12,410.22
  6. Step 6: Final answer
    x = 10,620.35

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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.