Home / 12,806.81-19,197.04-4,907.18

Finding the Fourth Proportional to 12,806.81, 19,197.04 and 4,907.18

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Solution

The fourth proportional to 12,806.81, 19,197.04 and 4,907.18 is: 7,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806.81 : 19,197.04 = 4,907.18 : x
  2. Step 2: Convert to fraction form
    12,806.81/19,197.04 = 4,907.18/x
  3. Step 3: Cross multiply
    12,806.81x = 19,197.04 × 4,907.18
  4. Step 4: Simplify right side
    12,806.81x = 94,203,330.75
  5. Step 5: Solve for x
    x = 94,203,330.75/12,806.81
  6. Step 6: Final answer
    x = 7,355.72

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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.