Home / 14,277.30-21,410.42-4,915.54

Finding the Fourth Proportional to 14,277.30, 21,410.42 and 4,915.54

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Solution

The fourth proportional to 14,277.30, 21,410.42 and 4,915.54 is: 7,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.30 : 21,410.42 = 4,915.54 : x
  2. Step 2: Convert to fraction form
    14,277.30/21,410.42 = 4,915.54/x
  3. Step 3: Cross multiply
    14,277.30x = 21,410.42 × 4,915.54
  4. Step 4: Simplify right side
    14,277.30x = 105,243,775.93
  5. Step 5: Solve for x
    x = 105,243,775.93/14,277.30
  6. Step 6: Final answer
    x = 7,371.41

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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.