Home / 10,725.45-16,090.32-3,705.72

Finding the Fourth Proportional to 10,725.45, 16,090.32 and 3,705.72

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Solution

The fourth proportional to 10,725.45, 16,090.32 and 3,705.72 is: 5,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.45 : 16,090.32 = 3,705.72 : x
  2. Step 2: Convert to fraction form
    10,725.45/16,090.32 = 3,705.72/x
  3. Step 3: Cross multiply
    10,725.45x = 16,090.32 × 3,705.72
  4. Step 4: Simplify right side
    10,725.45x = 59,626,220.63
  5. Step 5: Solve for x
    x = 59,626,220.63/10,725.45
  6. Step 6: Final answer
    x = 5,559.32

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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.