Home / 19,455.86-29,137.01-11,110.58

Finding the Fourth Proportional to 19,455.86, 29,137.01 and 11,110.58

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Solution

The fourth proportional to 19,455.86, 29,137.01 and 11,110.58 is: 16,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.86 : 29,137.01 = 11,110.58 : x
  2. Step 2: Convert to fraction form
    19,455.86/29,137.01 = 11,110.58/x
  3. Step 3: Cross multiply
    19,455.86x = 29,137.01 × 11,110.58
  4. Step 4: Simplify right side
    19,455.86x = 323,729,025.01
  5. Step 5: Solve for x
    x = 323,729,025.01/19,455.86
  6. Step 6: Final answer
    x = 16,639.15

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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.