Home / 20,534.04-30,804.39-8,047.30

Finding the Fourth Proportional to 20,534.04, 30,804.39 and 8,047.30

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Solution

The fourth proportional to 20,534.04, 30,804.39 and 8,047.30 is: 12,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.04 : 30,804.39 = 8,047.30 : x
  2. Step 2: Convert to fraction form
    20,534.04/30,804.39 = 8,047.30/x
  3. Step 3: Cross multiply
    20,534.04x = 30,804.39 × 8,047.30
  4. Step 4: Simplify right side
    20,534.04x = 247,892,090.64
  5. Step 5: Solve for x
    x = 247,892,090.64/20,534.04
  6. Step 6: Final answer
    x = 12,072.25

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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.