Home / 18,883.08-28,326.93-6,406.67

Finding the Fourth Proportional to 18,883.08, 28,326.93 and 6,406.67

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Solution

The fourth proportional to 18,883.08, 28,326.93 and 6,406.67 is: 9,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.08 : 28,326.93 = 6,406.67 : x
  2. Step 2: Convert to fraction form
    18,883.08/28,326.93 = 6,406.67/x
  3. Step 3: Cross multiply
    18,883.08x = 28,326.93 × 6,406.67
  4. Step 4: Simplify right side
    18,883.08x = 181,481,363.44
  5. Step 5: Solve for x
    x = 181,481,363.44/18,883.08
  6. Step 6: Final answer
    x = 9,610.79

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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.