Home / 19,546.80-29,325.60-8,458.80

Finding the Fourth Proportional to 19,546.80, 29,325.60 and 8,458.80

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Solution

The fourth proportional to 19,546.80, 29,325.60 and 8,458.80 is: 12,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,546.80 : 29,325.60 = 8,458.80 : x
  2. Step 2: Convert to fraction form
    19,546.80/29,325.60 = 8,458.80/x
  3. Step 3: Cross multiply
    19,546.80x = 29,325.60 × 8,458.80
  4. Step 4: Simplify right side
    19,546.80x = 248,059,385.28
  5. Step 5: Solve for x
    x = 248,059,385.28/19,546.80
  6. Step 6: Final answer
    x = 12,690.54

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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.