Home / 14,228.08-21,344.63-4,865.90

Finding the Fourth Proportional to 14,228.08, 21,344.63 and 4,865.90

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Solution

The fourth proportional to 14,228.08, 21,344.63 and 4,865.90 is: 7,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.08 : 21,344.63 = 4,865.90 : x
  2. Step 2: Convert to fraction form
    14,228.08/21,344.63 = 4,865.90/x
  3. Step 3: Cross multiply
    14,228.08x = 21,344.63 × 4,865.90
  4. Step 4: Simplify right side
    14,228.08x = 103,860,704.06
  5. Step 5: Solve for x
    x = 103,860,704.06/14,228.08
  6. Step 6: Final answer
    x = 7,299.70

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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.