Home / 14,649.39-21,976.81-4,789.19

Finding the Fourth Proportional to 14,649.39, 21,976.81 and 4,789.19

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Solution

The fourth proportional to 14,649.39, 21,976.81 and 4,789.19 is: 7,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.39 : 21,976.81 = 4,789.19 : x
  2. Step 2: Convert to fraction form
    14,649.39/21,976.81 = 4,789.19/x
  3. Step 3: Cross multiply
    14,649.39x = 21,976.81 × 4,789.19
  4. Step 4: Simplify right side
    14,649.39x = 105,251,161.65
  5. Step 5: Solve for x
    x = 105,251,161.65/14,649.39
  6. Step 6: Final answer
    x = 7,184.68

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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.