Home / 12,745.35-19,032.14-10,409.91

Finding the Fourth Proportional to 12,745.35, 19,032.14 and 10,409.91

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Solution

The fourth proportional to 12,745.35, 19,032.14 and 10,409.91 is: 15,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.35 : 19,032.14 = 10,409.91 : x
  2. Step 2: Convert to fraction form
    12,745.35/19,032.14 = 10,409.91/x
  3. Step 3: Cross multiply
    12,745.35x = 19,032.14 × 10,409.91
  4. Step 4: Simplify right side
    12,745.35x = 198,122,812.46
  5. Step 5: Solve for x
    x = 198,122,812.46/12,745.35
  6. Step 6: Final answer
    x = 15,544.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.