Home / 21,746.26-32,618.34-12,745.38

Finding the Fourth Proportional to 21,746.26, 32,618.34 and 12,745.38

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Solution

The fourth proportional to 21,746.26, 32,618.34 and 12,745.38 is: 19,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.26 : 32,618.34 = 12,745.38 : x
  2. Step 2: Convert to fraction form
    21,746.26/32,618.34 = 12,745.38/x
  3. Step 3: Cross multiply
    21,746.26x = 32,618.34 × 12,745.38
  4. Step 4: Simplify right side
    21,746.26x = 415,733,138.27
  5. Step 5: Solve for x
    x = 415,733,138.27/21,746.26
  6. Step 6: Final answer
    x = 19,117.45

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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.