Home / 19,305.80-28,961.46-6,158.32

Finding the Fourth Proportional to 19,305.80, 28,961.46 and 6,158.32

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Solution

The fourth proportional to 19,305.80, 28,961.46 and 6,158.32 is: 9,238.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.80 : 28,961.46 = 6,158.32 : x
  2. Step 2: Convert to fraction form
    19,305.80/28,961.46 = 6,158.32/x
  3. Step 3: Cross multiply
    19,305.80x = 28,961.46 × 6,158.32
  4. Step 4: Simplify right side
    19,305.80x = 178,353,938.35
  5. Step 5: Solve for x
    x = 178,353,938.35/19,305.80
  6. Step 6: Final answer
    x = 9,238.36

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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.