Home / 19,121.25-26,388.75-10,625.37

Finding the Fourth Proportional to 19,121.25, 26,388.75 and 10,625.37

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Solution

The fourth proportional to 19,121.25, 26,388.75 and 10,625.37 is: 14,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.25 : 26,388.75 = 10,625.37 : x
  2. Step 2: Convert to fraction form
    19,121.25/26,388.75 = 10,625.37/x
  3. Step 3: Cross multiply
    19,121.25x = 26,388.75 × 10,625.37
  4. Step 4: Simplify right side
    19,121.25x = 280,390,232.59
  5. Step 5: Solve for x
    x = 280,390,232.59/19,121.25
  6. Step 6: Final answer
    x = 14,663.80

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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.