Home / 18,269.50-25,194-11,100.46

Finding the Fourth Proportional to 18,269.50, 25,194 and 11,100.46

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Solution

The fourth proportional to 18,269.50, 25,194 and 11,100.46 is: 15,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.50 : 25,194 = 11,100.46 : x
  2. Step 2: Convert to fraction form
    18,269.50/25,194 = 11,100.46/x
  3. Step 3: Cross multiply
    18,269.50x = 25,194 × 11,100.46
  4. Step 4: Simplify right side
    18,269.50x = 279,664,989.24
  5. Step 5: Solve for x
    x = 279,664,989.24/18,269.50
  6. Step 6: Final answer
    x = 15,307.75

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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.