Home / 12,843.68-19,271.08-4,529.64

Finding the Fourth Proportional to 12,843.68, 19,271.08 and 4,529.64

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Solution

The fourth proportional to 12,843.68, 19,271.08 and 4,529.64 is: 6,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.68 : 19,271.08 = 4,529.64 : x
  2. Step 2: Convert to fraction form
    12,843.68/19,271.08 = 4,529.64/x
  3. Step 3: Cross multiply
    12,843.68x = 19,271.08 × 4,529.64
  4. Step 4: Simplify right side
    12,843.68x = 87,291,054.81
  5. Step 5: Solve for x
    x = 87,291,054.81/12,843.68
  6. Step 6: Final answer
    x = 6,796.42

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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.