Home / 12,725.54-19,089.92-4,830.81

Finding the Fourth Proportional to 12,725.54, 19,089.92 and 4,830.81

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Solution

The fourth proportional to 12,725.54, 19,089.92 and 4,830.81 is: 7,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.54 : 19,089.92 = 4,830.81 : x
  2. Step 2: Convert to fraction form
    12,725.54/19,089.92 = 4,830.81/x
  3. Step 3: Cross multiply
    12,725.54x = 19,089.92 × 4,830.81
  4. Step 4: Simplify right side
    12,725.54x = 92,219,752.28
  5. Step 5: Solve for x
    x = 92,219,752.28/12,725.54
  6. Step 6: Final answer
    x = 7,246.83

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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.