Home / 10,258.98-15,382.31-4,705.37

Finding the Fourth Proportional to 10,258.98, 15,382.31 and 4,705.37

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Solution

The fourth proportional to 10,258.98, 15,382.31 and 4,705.37 is: 7,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.98 : 15,382.31 = 4,705.37 : x
  2. Step 2: Convert to fraction form
    10,258.98/15,382.31 = 4,705.37/x
  3. Step 3: Cross multiply
    10,258.98x = 15,382.31 × 4,705.37
  4. Step 4: Simplify right side
    10,258.98x = 72,379,383.09
  5. Step 5: Solve for x
    x = 72,379,383.09/10,258.98
  6. Step 6: Final answer
    x = 7,055.22

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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.