Home / 12,038.06-18,049.80-7,873.04

Finding the Fourth Proportional to 12,038.06, 18,049.80 and 7,873.04

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Solution

The fourth proportional to 12,038.06, 18,049.80 and 7,873.04 is: 11,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.06 : 18,049.80 = 7,873.04 : x
  2. Step 2: Convert to fraction form
    12,038.06/18,049.80 = 7,873.04/x
  3. Step 3: Cross multiply
    12,038.06x = 18,049.80 × 7,873.04
  4. Step 4: Simplify right side
    12,038.06x = 142,106,797.39
  5. Step 5: Solve for x
    x = 142,106,797.39/12,038.06
  6. Step 6: Final answer
    x = 11,804.79

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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.