Home / 16,889.96-23,311.68-11,225.18

Finding the Fourth Proportional to 16,889.96, 23,311.68 and 11,225.18

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Solution

The fourth proportional to 16,889.96, 23,311.68 and 11,225.18 is: 15,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.96 : 23,311.68 = 11,225.18 : x
  2. Step 2: Convert to fraction form
    16,889.96/23,311.68 = 11,225.18/x
  3. Step 3: Cross multiply
    16,889.96x = 23,311.68 × 11,225.18
  4. Step 4: Simplify right side
    16,889.96x = 261,677,804.10
  5. Step 5: Solve for x
    x = 261,677,804.10/16,889.96
  6. Step 6: Final answer
    x = 15,493.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.