Home / 9,962.49-13,743.07-8,076.21

Finding the Fourth Proportional to 9,962.49, 13,743.07 and 8,076.21

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Solution

The fourth proportional to 9,962.49, 13,743.07 and 8,076.21 is: 11,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.49 : 13,743.07 = 8,076.21 : x
  2. Step 2: Convert to fraction form
    9,962.49/13,743.07 = 8,076.21/x
  3. Step 3: Cross multiply
    9,962.49x = 13,743.07 × 8,076.21
  4. Step 4: Simplify right side
    9,962.49x = 110,991,919.36
  5. Step 5: Solve for x
    x = 110,991,919.36/9,962.49
  6. Step 6: Final answer
    x = 11,140.98

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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.