Home / 13,106.07-19,657.73-3,745.47

Finding the Fourth Proportional to 13,106.07, 19,657.73 and 3,745.47

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Solution

The fourth proportional to 13,106.07, 19,657.73 and 3,745.47 is: 5,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.07 : 19,657.73 = 3,745.47 : x
  2. Step 2: Convert to fraction form
    13,106.07/19,657.73 = 3,745.47/x
  3. Step 3: Cross multiply
    13,106.07x = 19,657.73 × 3,745.47
  4. Step 4: Simplify right side
    13,106.07x = 73,627,521.06
  5. Step 5: Solve for x
    x = 73,627,521.06/13,106.07
  6. Step 6: Final answer
    x = 5,617.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.