Home / 14,611.47-21,917.49-4,750.72

Finding the Fourth Proportional to 14,611.47, 21,917.49 and 4,750.72

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Solution

The fourth proportional to 14,611.47, 21,917.49 and 4,750.72 is: 7,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.47 : 21,917.49 = 4,750.72 : x
  2. Step 2: Convert to fraction form
    14,611.47/21,917.49 = 4,750.72/x
  3. Step 3: Cross multiply
    14,611.47x = 21,917.49 × 4,750.72
  4. Step 4: Simplify right side
    14,611.47x = 104,123,858.09
  5. Step 5: Solve for x
    x = 104,123,858.09/14,611.47
  6. Step 6: Final answer
    x = 7,126.17

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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.