Home / 20,334.10-30,506.15-7,007.30

Finding the Fourth Proportional to 20,334.10, 30,506.15 and 7,007.30

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Solution

The fourth proportional to 20,334.10, 30,506.15 and 7,007.30 is: 10,512.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.10 : 30,506.15 = 7,007.30 : x
  2. Step 2: Convert to fraction form
    20,334.10/30,506.15 = 7,007.30/x
  3. Step 3: Cross multiply
    20,334.10x = 30,506.15 × 7,007.30
  4. Step 4: Simplify right side
    20,334.10x = 213,765,744.90
  5. Step 5: Solve for x
    x = 213,765,744.90/20,334.10
  6. Step 6: Final answer
    x = 10,512.67

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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.