Home / 19,904.54-29,861.41-8,811.32

Finding the Fourth Proportional to 19,904.54, 29,861.41 and 8,811.32

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Solution

The fourth proportional to 19,904.54, 29,861.41 and 8,811.32 is: 13,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.54 : 29,861.41 = 8,811.32 : x
  2. Step 2: Convert to fraction form
    19,904.54/29,861.41 = 8,811.32/x
  3. Step 3: Cross multiply
    19,904.54x = 29,861.41 × 8,811.32
  4. Step 4: Simplify right side
    19,904.54x = 263,118,284.35
  5. Step 5: Solve for x
    x = 263,118,284.35/19,904.54
  6. Step 6: Final answer
    x = 13,219.01

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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.