Home / 18,058.50-27,076.95-7,515.81

Finding the Fourth Proportional to 18,058.50, 27,076.95 and 7,515.81

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Solution

The fourth proportional to 18,058.50, 27,076.95 and 7,515.81 is: 11,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.50 : 27,076.95 = 7,515.81 : x
  2. Step 2: Convert to fraction form
    18,058.50/27,076.95 = 7,515.81/x
  3. Step 3: Cross multiply
    18,058.50x = 27,076.95 × 7,515.81
  4. Step 4: Simplify right side
    18,058.50x = 203,505,211.58
  5. Step 5: Solve for x
    x = 203,505,211.58/18,058.50
  6. Step 6: Final answer
    x = 11,269.22

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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.