Home / 12,884.94-19,349.28-7,723.62

Finding the Fourth Proportional to 12,884.94, 19,349.28 and 7,723.62

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Solution

The fourth proportional to 12,884.94, 19,349.28 and 7,723.62 is: 11,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.94 : 19,349.28 = 7,723.62 : x
  2. Step 2: Convert to fraction form
    12,884.94/19,349.28 = 7,723.62/x
  3. Step 3: Cross multiply
    12,884.94x = 19,349.28 × 7,723.62
  4. Step 4: Simplify right side
    12,884.94x = 149,446,485.99
  5. Step 5: Solve for x
    x = 149,446,485.99/12,884.94
  6. Step 6: Final answer
    x = 11,598.54

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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.