Home / 14,789.69-22,164.74-7,281.80

Finding the Fourth Proportional to 14,789.69, 22,164.74 and 7,281.80

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Solution

The fourth proportional to 14,789.69, 22,164.74 and 7,281.80 is: 10,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.69 : 22,164.74 = 7,281.80 : x
  2. Step 2: Convert to fraction form
    14,789.69/22,164.74 = 7,281.80/x
  3. Step 3: Cross multiply
    14,789.69x = 22,164.74 × 7,281.80
  4. Step 4: Simplify right side
    14,789.69x = 161,399,166.92
  5. Step 5: Solve for x
    x = 161,399,166.92/14,789.69
  6. Step 6: Final answer
    x = 10,912.95

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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.