Home / 21,460.60-32,195.87-6,668.72

Finding the Fourth Proportional to 21,460.60, 32,195.87 and 6,668.72

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Solution

The fourth proportional to 21,460.60, 32,195.87 and 6,668.72 is: 10,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.60 : 32,195.87 = 6,668.72 : x
  2. Step 2: Convert to fraction form
    21,460.60/32,195.87 = 6,668.72/x
  3. Step 3: Cross multiply
    21,460.60x = 32,195.87 × 6,668.72
  4. Step 4: Simplify right side
    21,460.60x = 214,705,047.86
  5. Step 5: Solve for x
    x = 214,705,047.86/21,460.60
  6. Step 6: Final answer
    x = 10,004.62

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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.