Home / 20,467.54-30,701.31-8,623.18

Finding the Fourth Proportional to 20,467.54, 30,701.31 and 8,623.18

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Solution

The fourth proportional to 20,467.54, 30,701.31 and 8,623.18 is: 12,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.54 : 30,701.31 = 8,623.18 : x
  2. Step 2: Convert to fraction form
    20,467.54/30,701.31 = 8,623.18/x
  3. Step 3: Cross multiply
    20,467.54x = 30,701.31 × 8,623.18
  4. Step 4: Simplify right side
    20,467.54x = 264,742,922.37
  5. Step 5: Solve for x
    x = 264,742,922.37/20,467.54
  6. Step 6: Final answer
    x = 12,934.77

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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.