Home / 18,305.08-27,442.50-8,436.04

Finding the Fourth Proportional to 18,305.08, 27,442.50 and 8,436.04

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Solution

The fourth proportional to 18,305.08, 27,442.50 and 8,436.04 is: 12,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.08 : 27,442.50 = 8,436.04 : x
  2. Step 2: Convert to fraction form
    18,305.08/27,442.50 = 8,436.04/x
  3. Step 3: Cross multiply
    18,305.08x = 27,442.50 × 8,436.04
  4. Step 4: Simplify right side
    18,305.08x = 231,506,027.70
  5. Step 5: Solve for x
    x = 231,506,027.70/18,305.08
  6. Step 6: Final answer
    x = 12,647.09

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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.