Home / 14,178.75-21,269.00-4,318.77

Finding the Fourth Proportional to 14,178.75, 21,269.00 and 4,318.77

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Solution

The fourth proportional to 14,178.75, 21,269.00 and 4,318.77 is: 6,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.75 : 21,269.00 = 4,318.77 : x
  2. Step 2: Convert to fraction form
    14,178.75/21,269.00 = 4,318.77/x
  3. Step 3: Cross multiply
    14,178.75x = 21,269.00 × 4,318.77
  4. Step 4: Simplify right side
    14,178.75x = 91,855,897.54
  5. Step 5: Solve for x
    x = 91,855,897.54/14,178.75
  6. Step 6: Final answer
    x = 6,478.42

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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.