Home / 9,971.70-13,762.94-5,725.64

Finding the Fourth Proportional to 9,971.70, 13,762.94 and 5,725.64

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Solution

The fourth proportional to 9,971.70, 13,762.94 and 5,725.64 is: 7,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.70 : 13,762.94 = 5,725.64 : x
  2. Step 2: Convert to fraction form
    9,971.70/13,762.94 = 5,725.64/x
  3. Step 3: Cross multiply
    9,971.70x = 13,762.94 × 5,725.64
  4. Step 4: Simplify right side
    9,971.70x = 78,801,639.78
  5. Step 5: Solve for x
    x = 78,801,639.78/9,971.70
  6. Step 6: Final answer
    x = 7,902.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.