Home / 19,844.08-29,768.40-8,155.60

Finding the Fourth Proportional to 19,844.08, 29,768.40 and 8,155.60

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Solution

The fourth proportional to 19,844.08, 29,768.40 and 8,155.60 is: 12,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.08 : 29,768.40 = 8,155.60 : x
  2. Step 2: Convert to fraction form
    19,844.08/29,768.40 = 8,155.60/x
  3. Step 3: Cross multiply
    19,844.08x = 29,768.40 × 8,155.60
  4. Step 4: Simplify right side
    19,844.08x = 242,779,163.04
  5. Step 5: Solve for x
    x = 242,779,163.04/19,844.08
  6. Step 6: Final answer
    x = 12,234.34

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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.