Home / 19,911.21-29,887.19-16,437.39

Finding the Fourth Proportional to 19,911.21, 29,887.19 and 16,437.39

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Solution

The fourth proportional to 19,911.21, 29,887.19 and 16,437.39 is: 24,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.21 : 29,887.19 = 16,437.39 : x
  2. Step 2: Convert to fraction form
    19,911.21/29,887.19 = 16,437.39/x
  3. Step 3: Cross multiply
    19,911.21x = 29,887.19 × 16,437.39
  4. Step 4: Simplify right side
    19,911.21x = 491,267,315.85
  5. Step 5: Solve for x
    x = 491,267,315.85/19,911.21
  6. Step 6: Final answer
    x = 24,672.90

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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.