Home / 10,283.49-15,431.41-4,440.10

Finding the Fourth Proportional to 10,283.49, 15,431.41 and 4,440.10

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Solution

The fourth proportional to 10,283.49, 15,431.41 and 4,440.10 is: 6,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.49 : 15,431.41 = 4,440.10 : x
  2. Step 2: Convert to fraction form
    10,283.49/15,431.41 = 4,440.10/x
  3. Step 3: Cross multiply
    10,283.49x = 15,431.41 × 4,440.10
  4. Step 4: Simplify right side
    10,283.49x = 68,517,003.54
  5. Step 5: Solve for x
    x = 68,517,003.54/10,283.49
  6. Step 6: Final answer
    x = 6,662.82

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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.