Home / 15,645.36-23,465.25-7,745.34

Finding the Fourth Proportional to 15,645.36, 23,465.25 and 7,745.34

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Solution

The fourth proportional to 15,645.36, 23,465.25 and 7,745.34 is: 11,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.36 : 23,465.25 = 7,745.34 : x
  2. Step 2: Convert to fraction form
    15,645.36/23,465.25 = 7,745.34/x
  3. Step 3: Cross multiply
    15,645.36x = 23,465.25 × 7,745.34
  4. Step 4: Simplify right side
    15,645.36x = 181,746,339.44
  5. Step 5: Solve for x
    x = 181,746,339.44/15,645.36
  6. Step 6: Final answer
    x = 11,616.63

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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.