Home / 18,370.60-27,570.30-8,511.10

Finding the Fourth Proportional to 18,370.60, 27,570.30 and 8,511.10

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Solution

The fourth proportional to 18,370.60, 27,570.30 and 8,511.10 is: 12,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.60 : 27,570.30 = 8,511.10 : x
  2. Step 2: Convert to fraction form
    18,370.60/27,570.30 = 8,511.10/x
  3. Step 3: Cross multiply
    18,370.60x = 27,570.30 × 8,511.10
  4. Step 4: Simplify right side
    18,370.60x = 234,653,580.33
  5. Step 5: Solve for x
    x = 234,653,580.33/18,370.60
  6. Step 6: Final answer
    x = 12,773.32

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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.