Home / 14,322.89-21,479.01-4,960.51

Finding the Fourth Proportional to 14,322.89, 21,479.01 and 4,960.51

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Solution

The fourth proportional to 14,322.89, 21,479.01 and 4,960.51 is: 7,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.89 : 21,479.01 = 4,960.51 : x
  2. Step 2: Convert to fraction form
    14,322.89/21,479.01 = 4,960.51/x
  3. Step 3: Cross multiply
    14,322.89x = 21,479.01 × 4,960.51
  4. Step 4: Simplify right side
    14,322.89x = 106,546,771.60
  5. Step 5: Solve for x
    x = 106,546,771.60/14,322.89
  6. Step 6: Final answer
    x = 7,438.91

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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.