Home / 20,533.05-30,803.38-6,496.61

Finding the Fourth Proportional to 20,533.05, 30,803.38 and 6,496.61

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Solution

The fourth proportional to 20,533.05, 30,803.38 and 6,496.61 is: 9,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533.05 : 30,803.38 = 6,496.61 : x
  2. Step 2: Convert to fraction form
    20,533.05/30,803.38 = 6,496.61/x
  3. Step 3: Cross multiply
    20,533.05x = 30,803.38 × 6,496.61
  4. Step 4: Simplify right side
    20,533.05x = 200,117,623.55
  5. Step 5: Solve for x
    x = 200,117,623.55/20,533.05
  6. Step 6: Final answer
    x = 9,746.12

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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.