Home / 19,651.60-29,501.43-12,993.85

Finding the Fourth Proportional to 19,651.60, 29,501.43 and 12,993.85

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Solution

The fourth proportional to 19,651.60, 29,501.43 and 12,993.85 is: 19,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,651.60 : 29,501.43 = 12,993.85 : x
  2. Step 2: Convert to fraction form
    19,651.60/29,501.43 = 12,993.85/x
  3. Step 3: Cross multiply
    19,651.60x = 29,501.43 × 12,993.85
  4. Step 4: Simplify right side
    19,651.60x = 383,337,156.21
  5. Step 5: Solve for x
    x = 383,337,156.21/19,651.60
  6. Step 6: Final answer
    x = 19,506.66

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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.