Home / 21,803.76-32,710.50-6,221.52

Finding the Fourth Proportional to 21,803.76, 32,710.50 and 6,221.52

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Solution

The fourth proportional to 21,803.76, 32,710.50 and 6,221.52 is: 9,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803.76 : 32,710.50 = 6,221.52 : x
  2. Step 2: Convert to fraction form
    21,803.76/32,710.50 = 6,221.52/x
  3. Step 3: Cross multiply
    21,803.76x = 32,710.50 × 6,221.52
  4. Step 4: Simplify right side
    21,803.76x = 203,509,029.96
  5. Step 5: Solve for x
    x = 203,509,029.96/21,803.76
  6. Step 6: Final answer
    x = 9,333.67

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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.