Home / 14,639.94-21,952.62-4,778.01

Finding the Fourth Proportional to 14,639.94, 21,952.62 and 4,778.01

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Solution

The fourth proportional to 14,639.94, 21,952.62 and 4,778.01 is: 7,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.94 : 21,952.62 = 4,778.01 : x
  2. Step 2: Convert to fraction form
    14,639.94/21,952.62 = 4,778.01/x
  3. Step 3: Cross multiply
    14,639.94x = 21,952.62 × 4,778.01
  4. Step 4: Simplify right side
    14,639.94x = 104,889,837.89
  5. Step 5: Solve for x
    x = 104,889,837.89/14,639.94
  6. Step 6: Final answer
    x = 7,164.64

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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.