Home / 21,733.11-32,586.57-11,858.67

Finding the Fourth Proportional to 21,733.11, 32,586.57 and 11,858.67

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Solution

The fourth proportional to 21,733.11, 32,586.57 and 11,858.67 is: 17,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,733.11 : 32,586.57 = 11,858.67 : x
  2. Step 2: Convert to fraction form
    21,733.11/32,586.57 = 11,858.67/x
  3. Step 3: Cross multiply
    21,733.11x = 32,586.57 × 11,858.67
  4. Step 4: Simplify right side
    21,733.11x = 386,433,380.06
  5. Step 5: Solve for x
    x = 386,433,380.06/21,733.11
  6. Step 6: Final answer
    x = 17,780.86

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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.