Home / 11,823.49-16,309.20-7,040.26

Finding the Fourth Proportional to 11,823.49, 16,309.20 and 7,040.26

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Solution

The fourth proportional to 11,823.49, 16,309.20 and 7,040.26 is: 9,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.49 : 16,309.20 = 7,040.26 : x
  2. Step 2: Convert to fraction form
    11,823.49/16,309.20 = 7,040.26/x
  3. Step 3: Cross multiply
    11,823.49x = 16,309.20 × 7,040.26
  4. Step 4: Simplify right side
    11,823.49x = 114,821,008.39
  5. Step 5: Solve for x
    x = 114,821,008.39/11,823.49
  6. Step 6: Final answer
    x = 9,711.26

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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.