Home / 20,253.04-30,379.32-8,558.32

Finding the Fourth Proportional to 20,253.04, 30,379.32 and 8,558.32

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Solution

The fourth proportional to 20,253.04, 30,379.32 and 8,558.32 is: 12,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.04 : 30,379.32 = 8,558.32 : x
  2. Step 2: Convert to fraction form
    20,253.04/30,379.32 = 8,558.32/x
  3. Step 3: Cross multiply
    20,253.04x = 30,379.32 × 8,558.32
  4. Step 4: Simplify right side
    20,253.04x = 259,995,941.94
  5. Step 5: Solve for x
    x = 259,995,941.94/20,253.04
  6. Step 6: Final answer
    x = 12,837.38

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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.