Home / 9,921.64-14,883.02-3,258.56

Finding the Fourth Proportional to 9,921.64, 14,883.02 and 3,258.56

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Solution

The fourth proportional to 9,921.64, 14,883.02 and 3,258.56 is: 4,888.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.64 : 14,883.02 = 3,258.56 : x
  2. Step 2: Convert to fraction form
    9,921.64/14,883.02 = 3,258.56/x
  3. Step 3: Cross multiply
    9,921.64x = 14,883.02 × 3,258.56
  4. Step 4: Simplify right side
    9,921.64x = 48,497,213.65
  5. Step 5: Solve for x
    x = 48,497,213.65/9,921.64
  6. Step 6: Final answer
    x = 4,888.02

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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.