Home / 18,631.02-27,933.12-6,144.06

Finding the Fourth Proportional to 18,631.02, 27,933.12 and 6,144.06

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Solution

The fourth proportional to 18,631.02, 27,933.12 and 6,144.06 is: 9,211.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.02 : 27,933.12 = 6,144.06 : x
  2. Step 2: Convert to fraction form
    18,631.02/27,933.12 = 6,144.06/x
  3. Step 3: Cross multiply
    18,631.02x = 27,933.12 × 6,144.06
  4. Step 4: Simplify right side
    18,631.02x = 171,622,765.27
  5. Step 5: Solve for x
    x = 171,622,765.27/18,631.02
  6. Step 6: Final answer
    x = 9,211.67

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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.