Home / 18,203.03-27,261.46-11,609.22

Finding the Fourth Proportional to 18,203.03, 27,261.46 and 11,609.22

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Solution

The fourth proportional to 18,203.03, 27,261.46 and 11,609.22 is: 17,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.03 : 27,261.46 = 11,609.22 : x
  2. Step 2: Convert to fraction form
    18,203.03/27,261.46 = 11,609.22/x
  3. Step 3: Cross multiply
    18,203.03x = 27,261.46 × 11,609.22
  4. Step 4: Simplify right side
    18,203.03x = 316,484,403.40
  5. Step 5: Solve for x
    x = 316,484,403.40/18,203.03
  6. Step 6: Final answer
    x = 17,386.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.