Home / 23,090.31-34,640.10-8,300.43

Finding the Fourth Proportional to 23,090.31, 34,640.10 and 8,300.43

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Solution

The fourth proportional to 23,090.31, 34,640.10 and 8,300.43 is: 12,452.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,090.31 : 34,640.10 = 8,300.43 : x
  2. Step 2: Convert to fraction form
    23,090.31/34,640.10 = 8,300.43/x
  3. Step 3: Cross multiply
    23,090.31x = 34,640.10 × 8,300.43
  4. Step 4: Simplify right side
    23,090.31x = 287,527,725.24
  5. Step 5: Solve for x
    x = 287,527,725.24/23,090.31
  6. Step 6: Final answer
    x = 12,452.31

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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.