Home / 19,840.08-29,765.60-8,755.64

Finding the Fourth Proportional to 19,840.08, 29,765.60 and 8,755.64

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Solution

The fourth proportional to 19,840.08, 29,765.60 and 8,755.64 is: 13,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.08 : 29,765.60 = 8,755.64 : x
  2. Step 2: Convert to fraction form
    19,840.08/29,765.60 = 8,755.64/x
  3. Step 3: Cross multiply
    19,840.08x = 29,765.60 × 8,755.64
  4. Step 4: Simplify right side
    19,840.08x = 260,616,877.98
  5. Step 5: Solve for x
    x = 260,616,877.98/19,840.08
  6. Step 6: Final answer
    x = 13,135.88

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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.