Home / 9,376.33-12,938.80-5,126.60

Finding the Fourth Proportional to 9,376.33, 12,938.80 and 5,126.60

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Solution

The fourth proportional to 9,376.33, 12,938.80 and 5,126.60 is: 7,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.33 : 12,938.80 = 5,126.60 : x
  2. Step 2: Convert to fraction form
    9,376.33/12,938.80 = 5,126.60/x
  3. Step 3: Cross multiply
    9,376.33x = 12,938.80 × 5,126.60
  4. Step 4: Simplify right side
    9,376.33x = 66,332,052.08
  5. Step 5: Solve for x
    x = 66,332,052.08/9,376.33
  6. Step 6: Final answer
    x = 7,074.42

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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.