Home / 14,379.79-21,569.47-4,519.66

Finding the Fourth Proportional to 14,379.79, 21,569.47 and 4,519.66

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Solution

The fourth proportional to 14,379.79, 21,569.47 and 4,519.66 is: 6,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.79 : 21,569.47 = 4,519.66 : x
  2. Step 2: Convert to fraction form
    14,379.79/21,569.47 = 4,519.66/x
  3. Step 3: Cross multiply
    14,379.79x = 21,569.47 × 4,519.66
  4. Step 4: Simplify right side
    14,379.79x = 97,486,670.78
  5. Step 5: Solve for x
    x = 97,486,670.78/14,379.79
  6. Step 6: Final answer
    x = 6,779.42

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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.