Home / 18,289.56-27,427.86-7,895.64

Finding the Fourth Proportional to 18,289.56, 27,427.86 and 7,895.64

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Solution

The fourth proportional to 18,289.56, 27,427.86 and 7,895.64 is: 11,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.56 : 27,427.86 = 7,895.64 : x
  2. Step 2: Convert to fraction form
    18,289.56/27,427.86 = 7,895.64/x
  3. Step 3: Cross multiply
    18,289.56x = 27,427.86 × 7,895.64
  4. Step 4: Simplify right side
    18,289.56x = 216,560,508.53
  5. Step 5: Solve for x
    x = 216,560,508.53/18,289.56
  6. Step 6: Final answer
    x = 11,840.66

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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.