Home / 12,725.66-17,559.51-7,135.58

Finding the Fourth Proportional to 12,725.66, 17,559.51 and 7,135.58

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Solution

The fourth proportional to 12,725.66, 17,559.51 and 7,135.58 is: 9,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.66 : 17,559.51 = 7,135.58 : x
  2. Step 2: Convert to fraction form
    12,725.66/17,559.51 = 7,135.58/x
  3. Step 3: Cross multiply
    12,725.66x = 17,559.51 × 7,135.58
  4. Step 4: Simplify right side
    12,725.66x = 125,297,288.37
  5. Step 5: Solve for x
    x = 125,297,288.37/12,725.66
  6. Step 6: Final answer
    x = 9,846.03

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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.