Home / 22,710.49-34,065.83-7,919.39

Finding the Fourth Proportional to 22,710.49, 34,065.83 and 7,919.39

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Solution

The fourth proportional to 22,710.49, 34,065.83 and 7,919.39 is: 11,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710.49 : 34,065.83 = 7,919.39 : x
  2. Step 2: Convert to fraction form
    22,710.49/34,065.83 = 7,919.39/x
  3. Step 3: Cross multiply
    22,710.49x = 34,065.83 × 7,919.39
  4. Step 4: Simplify right side
    22,710.49x = 269,780,698.41
  5. Step 5: Solve for x
    x = 269,780,698.41/22,710.49
  6. Step 6: Final answer
    x = 11,879.12

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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.