Home / 14,406.22-21,608.69-8,254.54

Finding the Fourth Proportional to 14,406.22, 21,608.69 and 8,254.54

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Solution

The fourth proportional to 14,406.22, 21,608.69 and 8,254.54 is: 12,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.22 : 21,608.69 = 8,254.54 : x
  2. Step 2: Convert to fraction form
    14,406.22/21,608.69 = 8,254.54/x
  3. Step 3: Cross multiply
    14,406.22x = 21,608.69 × 8,254.54
  4. Step 4: Simplify right side
    14,406.22x = 178,369,795.95
  5. Step 5: Solve for x
    x = 178,369,795.95/14,406.22
  6. Step 6: Final answer
    x = 12,381.44

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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.