Home / 19,810.36-27,334.83-11,308.60

Finding the Fourth Proportional to 19,810.36, 27,334.83 and 11,308.60

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Solution

The fourth proportional to 19,810.36, 27,334.83 and 11,308.60 is: 15,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.36 : 27,334.83 = 11,308.60 : x
  2. Step 2: Convert to fraction form
    19,810.36/27,334.83 = 11,308.60/x
  3. Step 3: Cross multiply
    19,810.36x = 27,334.83 × 11,308.60
  4. Step 4: Simplify right side
    19,810.36x = 309,118,658.54
  5. Step 5: Solve for x
    x = 309,118,658.54/19,810.36
  6. Step 6: Final answer
    x = 15,603.89

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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.