Home / 19,378.62-29,069.55-8,284.86

Finding the Fourth Proportional to 19,378.62, 29,069.55 and 8,284.86

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Solution

The fourth proportional to 19,378.62, 29,069.55 and 8,284.86 is: 12,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.62 : 29,069.55 = 8,284.86 : x
  2. Step 2: Convert to fraction form
    19,378.62/29,069.55 = 8,284.86/x
  3. Step 3: Cross multiply
    19,378.62x = 29,069.55 × 8,284.86
  4. Step 4: Simplify right side
    19,378.62x = 240,837,152.01
  5. Step 5: Solve for x
    x = 240,837,152.01/19,378.62
  6. Step 6: Final answer
    x = 12,427.98

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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.