Home / 12,790.88-19,180.84-4,468.40

Finding the Fourth Proportional to 12,790.88, 19,180.84 and 4,468.40

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Solution

The fourth proportional to 12,790.88, 19,180.84 and 4,468.40 is: 6,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790.88 : 19,180.84 = 4,468.40 : x
  2. Step 2: Convert to fraction form
    12,790.88/19,180.84 = 4,468.40/x
  3. Step 3: Cross multiply
    12,790.88x = 19,180.84 × 4,468.40
  4. Step 4: Simplify right side
    12,790.88x = 85,707,665.46
  5. Step 5: Solve for x
    x = 85,707,665.46/12,790.88
  6. Step 6: Final answer
    x = 6,700.69

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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.