Home / 19,511.61-29,276.30-8,270.03

Finding the Fourth Proportional to 19,511.61, 29,276.30 and 8,270.03

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Solution

The fourth proportional to 19,511.61, 29,276.30 and 8,270.03 is: 12,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.61 : 29,276.30 = 8,270.03 : x
  2. Step 2: Convert to fraction form
    19,511.61/29,276.30 = 8,270.03/x
  3. Step 3: Cross multiply
    19,511.61x = 29,276.30 × 8,270.03
  4. Step 4: Simplify right side
    19,511.61x = 242,115,753.58
  5. Step 5: Solve for x
    x = 242,115,753.58/19,511.61
  6. Step 6: Final answer
    x = 12,408.80

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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.