Home / 19,941.82-29,919.50-12,537.61

Finding the Fourth Proportional to 19,941.82, 29,919.50 and 12,537.61

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Solution

The fourth proportional to 19,941.82, 29,919.50 and 12,537.61 is: 18,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.82 : 29,919.50 = 12,537.61 : x
  2. Step 2: Convert to fraction form
    19,941.82/29,919.50 = 12,537.61/x
  3. Step 3: Cross multiply
    19,941.82x = 29,919.50 × 12,537.61
  4. Step 4: Simplify right side
    19,941.82x = 375,118,931.92
  5. Step 5: Solve for x
    x = 375,118,931.92/19,941.82
  6. Step 6: Final answer
    x = 18,810.67

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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.