Home / 13,040.99-17,996.39-7,072.62

Finding the Fourth Proportional to 13,040.99, 17,996.39 and 7,072.62

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Solution

The fourth proportional to 13,040.99, 17,996.39 and 7,072.62 is: 9,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.99 : 17,996.39 = 7,072.62 : x
  2. Step 2: Convert to fraction form
    13,040.99/17,996.39 = 7,072.62/x
  3. Step 3: Cross multiply
    13,040.99x = 17,996.39 × 7,072.62
  4. Step 4: Simplify right side
    13,040.99x = 127,281,592.48
  5. Step 5: Solve for x
    x = 127,281,592.48/13,040.99
  6. Step 6: Final answer
    x = 9,760.12

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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.