Home / 18,537.38-27,741.43-15,166.67

Finding the Fourth Proportional to 18,537.38, 27,741.43 and 15,166.67

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Solution

The fourth proportional to 18,537.38, 27,741.43 and 15,166.67 is: 22,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.38 : 27,741.43 = 15,166.67 : x
  2. Step 2: Convert to fraction form
    18,537.38/27,741.43 = 15,166.67/x
  3. Step 3: Cross multiply
    18,537.38x = 27,741.43 × 15,166.67
  4. Step 4: Simplify right side
    18,537.38x = 420,745,038.30
  5. Step 5: Solve for x
    x = 420,745,038.30/18,537.38
  6. Step 6: Final answer
    x = 22,697.12

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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.