Home / 14,268.76-21,403.90-6,369.94

Finding the Fourth Proportional to 14,268.76, 21,403.90 and 6,369.94

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Solution

The fourth proportional to 14,268.76, 21,403.90 and 6,369.94 is: 9,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.76 : 21,403.90 = 6,369.94 : x
  2. Step 2: Convert to fraction form
    14,268.76/21,403.90 = 6,369.94/x
  3. Step 3: Cross multiply
    14,268.76x = 21,403.90 × 6,369.94
  4. Step 4: Simplify right side
    14,268.76x = 136,341,557.65
  5. Step 5: Solve for x
    x = 136,341,557.65/14,268.76
  6. Step 6: Final answer
    x = 9,555.25

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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.