Home / 20,200.38-30,298.14-7,051.68

Finding the Fourth Proportional to 20,200.38, 30,298.14 and 7,051.68

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Solution

The fourth proportional to 20,200.38, 30,298.14 and 7,051.68 is: 10,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.38 : 30,298.14 = 7,051.68 : x
  2. Step 2: Convert to fraction form
    20,200.38/30,298.14 = 7,051.68/x
  3. Step 3: Cross multiply
    20,200.38x = 30,298.14 × 7,051.68
  4. Step 4: Simplify right side
    20,200.38x = 213,652,787.88
  5. Step 5: Solve for x
    x = 213,652,787.88/20,200.38
  6. Step 6: Final answer
    x = 10,576.67

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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.