Home / 12,798.84-19,197.66-4,480.72

Finding the Fourth Proportional to 12,798.84, 19,197.66 and 4,480.72

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Solution

The fourth proportional to 12,798.84, 19,197.66 and 4,480.72 is: 6,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.84 : 19,197.66 = 4,480.72 : x
  2. Step 2: Convert to fraction form
    12,798.84/19,197.66 = 4,480.72/x
  3. Step 3: Cross multiply
    12,798.84x = 19,197.66 × 4,480.72
  4. Step 4: Simplify right side
    12,798.84x = 86,019,282.72
  5. Step 5: Solve for x
    x = 86,019,282.72/12,798.84
  6. Step 6: Final answer
    x = 6,720.87

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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.