Home / 20,177.73-30,266.87-7,703.46

Finding the Fourth Proportional to 20,177.73, 30,266.87 and 7,703.46

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Solution

The fourth proportional to 20,177.73, 30,266.87 and 7,703.46 is: 11,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.73 : 30,266.87 = 7,703.46 : x
  2. Step 2: Convert to fraction form
    20,177.73/30,266.87 = 7,703.46/x
  3. Step 3: Cross multiply
    20,177.73x = 30,266.87 × 7,703.46
  4. Step 4: Simplify right side
    20,177.73x = 233,159,583.85
  5. Step 5: Solve for x
    x = 233,159,583.85/20,177.73
  6. Step 6: Final answer
    x = 11,555.29

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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.