Home / 19,840.26-27,377.82-11,340.69

Finding the Fourth Proportional to 19,840.26, 27,377.82 and 11,340.69

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Solution

The fourth proportional to 19,840.26, 27,377.82 and 11,340.69 is: 15,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.26 : 27,377.82 = 11,340.69 : x
  2. Step 2: Convert to fraction form
    19,840.26/27,377.82 = 11,340.69/x
  3. Step 3: Cross multiply
    19,840.26x = 27,377.82 × 11,340.69
  4. Step 4: Simplify right side
    19,840.26x = 310,483,369.50
  5. Step 5: Solve for x
    x = 310,483,369.50/19,840.26
  6. Step 6: Final answer
    x = 15,649.16

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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.