Home / 21,826.45-32,740.80-6,243.67

Finding the Fourth Proportional to 21,826.45, 32,740.80 and 6,243.67

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Solution

The fourth proportional to 21,826.45, 32,740.80 and 6,243.67 is: 9,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,826.45 : 32,740.80 = 6,243.67 : x
  2. Step 2: Convert to fraction form
    21,826.45/32,740.80 = 6,243.67/x
  3. Step 3: Cross multiply
    21,826.45x = 32,740.80 × 6,243.67
  4. Step 4: Simplify right side
    21,826.45x = 204,422,750.74
  5. Step 5: Solve for x
    x = 204,422,750.74/21,826.45
  6. Step 6: Final answer
    x = 9,365.83

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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.