Home / 12,767.21-19,150.79-4,002.81

Finding the Fourth Proportional to 12,767.21, 19,150.79 and 4,002.81

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Solution

The fourth proportional to 12,767.21, 19,150.79 and 4,002.81 is: 6,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.21 : 19,150.79 = 4,002.81 : x
  2. Step 2: Convert to fraction form
    12,767.21/19,150.79 = 4,002.81/x
  3. Step 3: Cross multiply
    12,767.21x = 19,150.79 × 4,002.81
  4. Step 4: Simplify right side
    12,767.21x = 76,656,953.71
  5. Step 5: Solve for x
    x = 76,656,953.71/12,767.21
  6. Step 6: Final answer
    x = 6,004.21

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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.