Home / 8,021.68-12,032.66-2,178.14

Finding the Fourth Proportional to 8,021.68, 12,032.66 and 2,178.14

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Solution

The fourth proportional to 8,021.68, 12,032.66 and 2,178.14 is: 3,267.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.68 : 12,032.66 = 2,178.14 : x
  2. Step 2: Convert to fraction form
    8,021.68/12,032.66 = 2,178.14/x
  3. Step 3: Cross multiply
    8,021.68x = 12,032.66 × 2,178.14
  4. Step 4: Simplify right side
    8,021.68x = 26,208,777.08
  5. Step 5: Solve for x
    x = 26,208,777.08/8,021.68
  6. Step 6: Final answer
    x = 3,267.24

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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.