Home / 10,653.80-15,983.10-3,258.60

Finding the Fourth Proportional to 10,653.80, 15,983.10 and 3,258.60

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Solution

The fourth proportional to 10,653.80, 15,983.10 and 3,258.60 is: 4,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.80 : 15,983.10 = 3,258.60 : x
  2. Step 2: Convert to fraction form
    10,653.80/15,983.10 = 3,258.60/x
  3. Step 3: Cross multiply
    10,653.80x = 15,983.10 × 3,258.60
  4. Step 4: Simplify right side
    10,653.80x = 52,082,529.66
  5. Step 5: Solve for x
    x = 52,082,529.66/10,653.80
  6. Step 6: Final answer
    x = 4,888.63

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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.