Home / 12,758.37-19,140.62-6,176.87

Finding the Fourth Proportional to 12,758.37, 19,140.62 and 6,176.87

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Solution

The fourth proportional to 12,758.37, 19,140.62 and 6,176.87 is: 9,266.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.37 : 19,140.62 = 6,176.87 : x
  2. Step 2: Convert to fraction form
    12,758.37/19,140.62 = 6,176.87/x
  3. Step 3: Cross multiply
    12,758.37x = 19,140.62 × 6,176.87
  4. Step 4: Simplify right side
    12,758.37x = 118,228,994.87
  5. Step 5: Solve for x
    x = 118,228,994.87/12,758.37
  6. Step 6: Final answer
    x = 9,266.78

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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.