Home / 20,583.38-30,874.46-8,094.40

Finding the Fourth Proportional to 20,583.38, 30,874.46 and 8,094.40

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Solution

The fourth proportional to 20,583.38, 30,874.46 and 8,094.40 is: 12,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.38 : 30,874.46 = 8,094.40 : x
  2. Step 2: Convert to fraction form
    20,583.38/30,874.46 = 8,094.40/x
  3. Step 3: Cross multiply
    20,583.38x = 30,874.46 × 8,094.40
  4. Step 4: Simplify right side
    20,583.38x = 249,910,111.37
  5. Step 5: Solve for x
    x = 249,910,111.37/20,583.38
  6. Step 6: Final answer
    x = 12,141.35

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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.