Home / 18,745.46-28,111.27-6,262.14

Finding the Fourth Proportional to 18,745.46, 28,111.27 and 6,262.14

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Solution

The fourth proportional to 18,745.46, 28,111.27 and 6,262.14 is: 9,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,745.46 : 28,111.27 = 6,262.14 : x
  2. Step 2: Convert to fraction form
    18,745.46/28,111.27 = 6,262.14/x
  3. Step 3: Cross multiply
    18,745.46x = 28,111.27 × 6,262.14
  4. Step 4: Simplify right side
    18,745.46x = 176,036,708.32
  5. Step 5: Solve for x
    x = 176,036,708.32/18,745.46
  6. Step 6: Final answer
    x = 9,390.90

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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.