Home / 20,601.36-30,905.46-7,270.58

Finding the Fourth Proportional to 20,601.36, 30,905.46 and 7,270.58

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Solution

The fourth proportional to 20,601.36, 30,905.46 and 7,270.58 is: 10,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.36 : 30,905.46 = 7,270.58 : x
  2. Step 2: Convert to fraction form
    20,601.36/30,905.46 = 7,270.58/x
  3. Step 3: Cross multiply
    20,601.36x = 30,905.46 × 7,270.58
  4. Step 4: Simplify right side
    20,601.36x = 224,700,696.63
  5. Step 5: Solve for x
    x = 224,700,696.63/20,601.36
  6. Step 6: Final answer
    x = 10,907.08

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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.