Home / 14,179.57-21,270.34-4,815.77

Finding the Fourth Proportional to 14,179.57, 21,270.34 and 4,815.77

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Solution

The fourth proportional to 14,179.57, 21,270.34 and 4,815.77 is: 7,223.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.57 : 21,270.34 = 4,815.77 : x
  2. Step 2: Convert to fraction form
    14,179.57/21,270.34 = 4,815.77/x
  3. Step 3: Cross multiply
    14,179.57x = 21,270.34 × 4,815.77
  4. Step 4: Simplify right side
    14,179.57x = 102,433,065.26
  5. Step 5: Solve for x
    x = 102,433,065.26/14,179.57
  6. Step 6: Final answer
    x = 7,223.99

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1.5x scale

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.