Home / 20,605.44-30,903.83-5,810.39

Finding the Fourth Proportional to 20,605.44, 30,903.83 and 5,810.39

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Solution

The fourth proportional to 20,605.44, 30,903.83 and 5,810.39 is: 8,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,605.44 : 30,903.83 = 5,810.39 : x
  2. Step 2: Convert to fraction form
    20,605.44/30,903.83 = 5,810.39/x
  3. Step 3: Cross multiply
    20,605.44x = 30,903.83 × 5,810.39
  4. Step 4: Simplify right side
    20,605.44x = 179,563,304.79
  5. Step 5: Solve for x
    x = 179,563,304.79/20,605.44
  6. Step 6: Final answer
    x = 8,714.36

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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.