Home / 9,390.72-14,072.96-7,996.80

Finding the Fourth Proportional to 9,390.72, 14,072.96 and 7,996.80

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Solution

The fourth proportional to 9,390.72, 14,072.96 and 7,996.80 is: 11,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.72 : 14,072.96 = 7,996.80 : x
  2. Step 2: Convert to fraction form
    9,390.72/14,072.96 = 7,996.80/x
  3. Step 3: Cross multiply
    9,390.72x = 14,072.96 × 7,996.80
  4. Step 4: Simplify right side
    9,390.72x = 112,538,646.53
  5. Step 5: Solve for x
    x = 112,538,646.53/9,390.72
  6. Step 6: Final answer
    x = 11,984.03

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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.