Home / 12,455.08-18,574.03-11,764.96

Finding the Fourth Proportional to 12,455.08, 18,574.03 and 11,764.96

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Solution

The fourth proportional to 12,455.08, 18,574.03 and 11,764.96 is: 17,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455.08 : 18,574.03 = 11,764.96 : x
  2. Step 2: Convert to fraction form
    12,455.08/18,574.03 = 11,764.96/x
  3. Step 3: Cross multiply
    12,455.08x = 18,574.03 × 11,764.96
  4. Step 4: Simplify right side
    12,455.08x = 218,522,719.99
  5. Step 5: Solve for x
    x = 218,522,719.99/12,455.08
  6. Step 6: Final answer
    x = 17,544.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.