Home / 19,377.55-29,078.61-8,284.33

Finding the Fourth Proportional to 19,377.55, 29,078.61 and 8,284.33

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Solution

The fourth proportional to 19,377.55, 29,078.61 and 8,284.33 is: 12,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.55 : 29,078.61 = 8,284.33 : x
  2. Step 2: Convert to fraction form
    19,377.55/29,078.61 = 8,284.33/x
  3. Step 3: Cross multiply
    19,377.55x = 29,078.61 × 8,284.33
  4. Step 4: Simplify right side
    19,377.55x = 240,896,801.18
  5. Step 5: Solve for x
    x = 240,896,801.18/19,377.55
  6. Step 6: Final answer
    x = 12,431.75

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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.