Home / 12,609.68-18,912.08-4,816.64

Finding the Fourth Proportional to 12,609.68, 18,912.08 and 4,816.64

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Solution

The fourth proportional to 12,609.68, 18,912.08 and 4,816.64 is: 7,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.68 : 18,912.08 = 4,816.64 : x
  2. Step 2: Convert to fraction form
    12,609.68/18,912.08 = 4,816.64/x
  3. Step 3: Cross multiply
    12,609.68x = 18,912.08 × 4,816.64
  4. Step 4: Simplify right side
    12,609.68x = 91,092,681.01
  5. Step 5: Solve for x
    x = 91,092,681.01/12,609.68
  6. Step 6: Final answer
    x = 7,224.03

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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.