Home / 20,200.40-30,299.14-6,353.36

Finding the Fourth Proportional to 20,200.40, 30,299.14 and 6,353.36

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Solution

The fourth proportional to 20,200.40, 30,299.14 and 6,353.36 is: 9,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.40 : 30,299.14 = 6,353.36 : x
  2. Step 2: Convert to fraction form
    20,200.40/30,299.14 = 6,353.36/x
  3. Step 3: Cross multiply
    20,200.40x = 30,299.14 × 6,353.36
  4. Step 4: Simplify right side
    20,200.40x = 192,501,344.11
  5. Step 5: Solve for x
    x = 192,501,344.11/20,200.40
  6. Step 6: Final answer
    x = 9,529.58

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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.