Home / 12,725.44-17,561.14-7,419.26

Finding the Fourth Proportional to 12,725.44, 17,561.14 and 7,419.26

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Solution

The fourth proportional to 12,725.44, 17,561.14 and 7,419.26 is: 10,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.44 : 17,561.14 = 7,419.26 : x
  2. Step 2: Convert to fraction form
    12,725.44/17,561.14 = 7,419.26/x
  3. Step 3: Cross multiply
    12,725.44x = 17,561.14 × 7,419.26
  4. Step 4: Simplify right side
    12,725.44x = 130,290,688.91
  5. Step 5: Solve for x
    x = 130,290,688.91/12,725.44
  6. Step 6: Final answer
    x = 10,238.60

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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.