Home / 18,445.37-25,450.74-10,889.28

Finding the Fourth Proportional to 18,445.37, 25,450.74 and 10,889.28

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Solution

The fourth proportional to 18,445.37, 25,450.74 and 10,889.28 is: 15,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.37 : 25,450.74 = 10,889.28 : x
  2. Step 2: Convert to fraction form
    18,445.37/25,450.74 = 10,889.28/x
  3. Step 3: Cross multiply
    18,445.37x = 25,450.74 × 10,889.28
  4. Step 4: Simplify right side
    18,445.37x = 277,140,234.07
  5. Step 5: Solve for x
    x = 277,140,234.07/18,445.37
  6. Step 6: Final answer
    x = 15,024.93

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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.