Home / 14,379.85-21,569.76-4,519.99

Finding the Fourth Proportional to 14,379.85, 21,569.76 and 4,519.99

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Solution

The fourth proportional to 14,379.85, 21,569.76 and 4,519.99 is: 6,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.85 : 21,569.76 = 4,519.99 : x
  2. Step 2: Convert to fraction form
    14,379.85/21,569.76 = 4,519.99/x
  3. Step 3: Cross multiply
    14,379.85x = 21,569.76 × 4,519.99
  4. Step 4: Simplify right side
    14,379.85x = 97,495,099.50
  5. Step 5: Solve for x
    x = 97,495,099.50/14,379.85
  6. Step 6: Final answer
    x = 6,779.98

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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.