Home / 18,073.40-27,110.10-6,386.60

Finding the Fourth Proportional to 18,073.40, 27,110.10 and 6,386.60

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Solution

The fourth proportional to 18,073.40, 27,110.10 and 6,386.60 is: 9,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.40 : 27,110.10 = 6,386.60 : x
  2. Step 2: Convert to fraction form
    18,073.40/27,110.10 = 6,386.60/x
  3. Step 3: Cross multiply
    18,073.40x = 27,110.10 × 6,386.60
  4. Step 4: Simplify right side
    18,073.40x = 173,141,364.66
  5. Step 5: Solve for x
    x = 173,141,364.66/18,073.40
  6. Step 6: Final answer
    x = 9,579.90

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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.