Home / 14,415.00-21,620.90-3,886.07

Finding the Fourth Proportional to 14,415.00, 21,620.90 and 3,886.07

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Solution

The fourth proportional to 14,415.00, 21,620.90 and 3,886.07 is: 5,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.00 : 21,620.90 = 3,886.07 : x
  2. Step 2: Convert to fraction form
    14,415.00/21,620.90 = 3,886.07/x
  3. Step 3: Cross multiply
    14,415.00x = 21,620.90 × 3,886.07
  4. Step 4: Simplify right side
    14,415.00x = 84,020,372.77
  5. Step 5: Solve for x
    x = 84,020,372.77/14,415.00
  6. Step 6: Final answer
    x = 5,828.68

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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.