Home / 19,423.74-29,137.23-8,327.75

Finding the Fourth Proportional to 19,423.74, 29,137.23 and 8,327.75

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Solution

The fourth proportional to 19,423.74, 29,137.23 and 8,327.75 is: 12,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.74 : 29,137.23 = 8,327.75 : x
  2. Step 2: Convert to fraction form
    19,423.74/29,137.23 = 8,327.75/x
  3. Step 3: Cross multiply
    19,423.74x = 29,137.23 × 8,327.75
  4. Step 4: Simplify right side
    19,423.74x = 242,647,639.98
  5. Step 5: Solve for x
    x = 242,647,639.98/19,423.74
  6. Step 6: Final answer
    x = 12,492.32

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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.