Home / 21,745.37-32,607.77-8,424.61

Finding the Fourth Proportional to 21,745.37, 32,607.77 and 8,424.61

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Solution

The fourth proportional to 21,745.37, 32,607.77 and 8,424.61 is: 12,632.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.37 : 32,607.77 = 8,424.61 : x
  2. Step 2: Convert to fraction form
    21,745.37/32,607.77 = 8,424.61/x
  3. Step 3: Cross multiply
    21,745.37x = 32,607.77 × 8,424.61
  4. Step 4: Simplify right side
    21,745.37x = 274,707,684.76
  5. Step 5: Solve for x
    x = 274,707,684.76/21,745.37
  6. Step 6: Final answer
    x = 12,632.93

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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.