Home / 12,525.75-17,285.22-6,860.51

Finding the Fourth Proportional to 12,525.75, 17,285.22 and 6,860.51

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Solution

The fourth proportional to 12,525.75, 17,285.22 and 6,860.51 is: 9,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.75 : 17,285.22 = 6,860.51 : x
  2. Step 2: Convert to fraction form
    12,525.75/17,285.22 = 6,860.51/x
  3. Step 3: Cross multiply
    12,525.75x = 17,285.22 × 6,860.51
  4. Step 4: Simplify right side
    12,525.75x = 118,585,338.24
  5. Step 5: Solve for x
    x = 118,585,338.24/12,525.75
  6. Step 6: Final answer
    x = 9,467.32

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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.