Home / 12,889.98-19,422.75-10,601.25

Finding the Fourth Proportional to 12,889.98, 19,422.75 and 10,601.25

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Solution

The fourth proportional to 12,889.98, 19,422.75 and 10,601.25 is: 15,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889.98 : 19,422.75 = 10,601.25 : x
  2. Step 2: Convert to fraction form
    12,889.98/19,422.75 = 10,601.25/x
  3. Step 3: Cross multiply
    12,889.98x = 19,422.75 × 10,601.25
  4. Step 4: Simplify right side
    12,889.98x = 205,905,428.44
  5. Step 5: Solve for x
    x = 205,905,428.44/12,889.98
  6. Step 6: Final answer
    x = 15,974.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.