Home / 18,427.18-27,585.69-11,288.94

Finding the Fourth Proportional to 18,427.18, 27,585.69 and 11,288.94

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Solution

The fourth proportional to 18,427.18, 27,585.69 and 11,288.94 is: 16,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.18 : 27,585.69 = 11,288.94 : x
  2. Step 2: Convert to fraction form
    18,427.18/27,585.69 = 11,288.94/x
  3. Step 3: Cross multiply
    18,427.18x = 27,585.69 × 11,288.94
  4. Step 4: Simplify right side
    18,427.18x = 311,413,199.27
  5. Step 5: Solve for x
    x = 311,413,199.27/18,427.18
  6. Step 6: Final answer
    x = 16,899.67

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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.