Home / 9,917.15-14,875.71-2,521.64

Finding the Fourth Proportional to 9,917.15, 14,875.71 and 2,521.64

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Solution

The fourth proportional to 9,917.15, 14,875.71 and 2,521.64 is: 3,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.15 : 14,875.71 = 2,521.64 : x
  2. Step 2: Convert to fraction form
    9,917.15/14,875.71 = 2,521.64/x
  3. Step 3: Cross multiply
    9,917.15x = 14,875.71 × 2,521.64
  4. Step 4: Simplify right side
    9,917.15x = 37,511,185.36
  5. Step 5: Solve for x
    x = 37,511,185.36/9,917.15
  6. Step 6: Final answer
    x = 3,782.46

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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.