Home / 19,923.68-29,878.54-5,879.98

Finding the Fourth Proportional to 19,923.68, 29,878.54 and 5,879.98

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Solution

The fourth proportional to 19,923.68, 29,878.54 and 5,879.98 is: 8,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.68 : 29,878.54 = 5,879.98 : x
  2. Step 2: Convert to fraction form
    19,923.68/29,878.54 = 5,879.98/x
  3. Step 3: Cross multiply
    19,923.68x = 29,878.54 × 5,879.98
  4. Step 4: Simplify right side
    19,923.68x = 175,685,217.63
  5. Step 5: Solve for x
    x = 175,685,217.63/19,923.68
  6. Step 6: Final answer
    x = 8,817.91

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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.