Home / 20,313.11-30,470.28-5,522.34

Finding the Fourth Proportional to 20,313.11, 30,470.28 and 5,522.34

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Solution

The fourth proportional to 20,313.11, 30,470.28 and 5,522.34 is: 8,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.11 : 30,470.28 = 5,522.34 : x
  2. Step 2: Convert to fraction form
    20,313.11/30,470.28 = 5,522.34/x
  3. Step 3: Cross multiply
    20,313.11x = 30,470.28 × 5,522.34
  4. Step 4: Simplify right side
    20,313.11x = 168,267,246.06
  5. Step 5: Solve for x
    x = 168,267,246.06/20,313.11
  6. Step 6: Final answer
    x = 8,283.68

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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.