Home / 20,541.96-30,812.93-6,690.96

Finding the Fourth Proportional to 20,541.96, 30,812.93 and 6,690.96

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Solution

The fourth proportional to 20,541.96, 30,812.93 and 6,690.96 is: 10,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.96 : 30,812.93 = 6,690.96 : x
  2. Step 2: Convert to fraction form
    20,541.96/30,812.93 = 6,690.96/x
  3. Step 3: Cross multiply
    20,541.96x = 30,812.93 × 6,690.96
  4. Step 4: Simplify right side
    20,541.96x = 206,168,082.11
  5. Step 5: Solve for x
    x = 206,168,082.11/20,541.96
  6. Step 6: Final answer
    x = 10,036.44

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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.