Home / 20,534.08-30,804.45-8,047.34

Finding the Fourth Proportional to 20,534.08, 30,804.45 and 8,047.34

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Solution

The fourth proportional to 20,534.08, 30,804.45 and 8,047.34 is: 12,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.08 : 30,804.45 = 8,047.34 : x
  2. Step 2: Convert to fraction form
    20,534.08/30,804.45 = 8,047.34/x
  3. Step 3: Cross multiply
    20,534.08x = 30,804.45 × 8,047.34
  4. Step 4: Simplify right side
    20,534.08x = 247,893,882.66
  5. Step 5: Solve for x
    x = 247,893,882.66/20,534.08
  6. Step 6: Final answer
    x = 12,072.32

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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.