Home / 18,216.64-25,136.32-10,257.44

Finding the Fourth Proportional to 18,216.64, 25,136.32 and 10,257.44

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Solution

The fourth proportional to 18,216.64, 25,136.32 and 10,257.44 is: 14,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.64 : 25,136.32 = 10,257.44 : x
  2. Step 2: Convert to fraction form
    18,216.64/25,136.32 = 10,257.44/x
  3. Step 3: Cross multiply
    18,216.64x = 25,136.32 × 10,257.44
  4. Step 4: Simplify right side
    18,216.64x = 257,834,294.22
  5. Step 5: Solve for x
    x = 257,834,294.22/18,216.64
  6. Step 6: Final answer
    x = 14,153.78

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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.