Home / 19,768.02-27,270.71-11,379.66

Finding the Fourth Proportional to 19,768.02, 27,270.71 and 11,379.66

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Solution

The fourth proportional to 19,768.02, 27,270.71 and 11,379.66 is: 15,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.02 : 27,270.71 = 11,379.66 : x
  2. Step 2: Convert to fraction form
    19,768.02/27,270.71 = 11,379.66/x
  3. Step 3: Cross multiply
    19,768.02x = 27,270.71 × 11,379.66
  4. Step 4: Simplify right side
    19,768.02x = 310,331,291.27
  5. Step 5: Solve for x
    x = 310,331,291.27/19,768.02
  6. Step 6: Final answer
    x = 15,698.66

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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.