Home / 14,619.52-21,930.67-4,089.54

Finding the Fourth Proportional to 14,619.52, 21,930.67 and 4,089.54

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Solution

The fourth proportional to 14,619.52, 21,930.67 and 4,089.54 is: 6,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.52 : 21,930.67 = 4,089.54 : x
  2. Step 2: Convert to fraction form
    14,619.52/21,930.67 = 4,089.54/x
  3. Step 3: Cross multiply
    14,619.52x = 21,930.67 × 4,089.54
  4. Step 4: Simplify right side
    14,619.52x = 89,686,439.54
  5. Step 5: Solve for x
    x = 89,686,439.54/14,619.52
  6. Step 6: Final answer
    x = 6,134.70

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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.