Home / 21,719.76-32,585.26-6,137.39

Finding the Fourth Proportional to 21,719.76, 32,585.26 and 6,137.39

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Solution

The fourth proportional to 21,719.76, 32,585.26 and 6,137.39 is: 9,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719.76 : 32,585.26 = 6,137.39 : x
  2. Step 2: Convert to fraction form
    21,719.76/32,585.26 = 6,137.39/x
  3. Step 3: Cross multiply
    21,719.76x = 32,585.26 × 6,137.39
  4. Step 4: Simplify right side
    21,719.76x = 199,988,285.95
  5. Step 5: Solve for x
    x = 199,988,285.95/21,719.76
  6. Step 6: Final answer
    x = 9,207.67

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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.