Home / 12,497.55-18,727.83-5,471.07

Finding the Fourth Proportional to 12,497.55, 18,727.83 and 5,471.07

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Solution

The fourth proportional to 12,497.55, 18,727.83 and 5,471.07 is: 8,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.55 : 18,727.83 = 5,471.07 : x
  2. Step 2: Convert to fraction form
    12,497.55/18,727.83 = 5,471.07/x
  3. Step 3: Cross multiply
    12,497.55x = 18,727.83 × 5,471.07
  4. Step 4: Simplify right side
    12,497.55x = 102,461,268.88
  5. Step 5: Solve for x
    x = 102,461,268.88/12,497.55
  6. Step 6: Final answer
    x = 8,198.51

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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.