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Finding the Fourth Proportional to 11,244.58, 16,840.64 and 8,888.77

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Solution

The fourth proportional to 11,244.58, 16,840.64 and 8,888.77 is: 13,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.58 : 16,840.64 = 8,888.77 : x
  2. Step 2: Convert to fraction form
    11,244.58/16,840.64 = 8,888.77/x
  3. Step 3: Cross multiply
    11,244.58x = 16,840.64 × 8,888.77
  4. Step 4: Simplify right side
    11,244.58x = 149,692,573.27
  5. Step 5: Solve for x
    x = 149,692,573.27/11,244.58
  6. Step 6: Final answer
    x = 13,312.42

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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.