Home / 20,305.02-30,460.82-6,261.77

Finding the Fourth Proportional to 20,305.02, 30,460.82 and 6,261.77

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Solution

The fourth proportional to 20,305.02, 30,460.82 and 6,261.77 is: 9,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,305.02 : 30,460.82 = 6,261.77 : x
  2. Step 2: Convert to fraction form
    20,305.02/30,460.82 = 6,261.77/x
  3. Step 3: Cross multiply
    20,305.02x = 30,460.82 × 6,261.77
  4. Step 4: Simplify right side
    20,305.02x = 190,738,648.85
  5. Step 5: Solve for x
    x = 190,738,648.85/20,305.02
  6. Step 6: Final answer
    x = 9,393.67

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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.