Home / 14,945.78-22,419.06-4,557.50

Finding the Fourth Proportional to 14,945.78, 22,419.06 and 4,557.50

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Solution

The fourth proportional to 14,945.78, 22,419.06 and 4,557.50 is: 6,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.78 : 22,419.06 = 4,557.50 : x
  2. Step 2: Convert to fraction form
    14,945.78/22,419.06 = 4,557.50/x
  3. Step 3: Cross multiply
    14,945.78x = 22,419.06 × 4,557.50
  4. Step 4: Simplify right side
    14,945.78x = 102,174,865.95
  5. Step 5: Solve for x
    x = 102,174,865.95/14,945.78
  6. Step 6: Final answer
    x = 6,836.37

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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.