Home / 14,329.33-21,481.77-5,439.70

Finding the Fourth Proportional to 14,329.33, 21,481.77 and 5,439.70

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Solution

The fourth proportional to 14,329.33, 21,481.77 and 5,439.70 is: 8,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.33 : 21,481.77 = 5,439.70 : x
  2. Step 2: Convert to fraction form
    14,329.33/21,481.77 = 5,439.70/x
  3. Step 3: Cross multiply
    14,329.33x = 21,481.77 × 5,439.70
  4. Step 4: Simplify right side
    14,329.33x = 116,854,384.27
  5. Step 5: Solve for x
    x = 116,854,384.27/14,329.33
  6. Step 6: Final answer
    x = 8,154.91

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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.