Home / 10,654.66-15,981.33-3,258.54

Finding the Fourth Proportional to 10,654.66, 15,981.33 and 3,258.54

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Solution

The fourth proportional to 10,654.66, 15,981.33 and 3,258.54 is: 4,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.66 : 15,981.33 = 3,258.54 : x
  2. Step 2: Convert to fraction form
    10,654.66/15,981.33 = 3,258.54/x
  3. Step 3: Cross multiply
    10,654.66x = 15,981.33 × 3,258.54
  4. Step 4: Simplify right side
    10,654.66x = 52,075,803.06
  5. Step 5: Solve for x
    x = 52,075,803.06/10,654.66
  6. Step 6: Final answer
    x = 4,887.61

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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.