Home / 12,830.72-19,246.08-4,936.95

Finding the Fourth Proportional to 12,830.72, 19,246.08 and 4,936.95

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Solution

The fourth proportional to 12,830.72, 19,246.08 and 4,936.95 is: 7,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.72 : 19,246.08 = 4,936.95 : x
  2. Step 2: Convert to fraction form
    12,830.72/19,246.08 = 4,936.95/x
  3. Step 3: Cross multiply
    12,830.72x = 19,246.08 × 4,936.95
  4. Step 4: Simplify right side
    12,830.72x = 95,016,903.36
  5. Step 5: Solve for x
    x = 95,016,903.36/12,830.72
  6. Step 6: Final answer
    x = 7,405.42

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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.