Home / 19,261.64-28,892.84-8,729.72

Finding the Fourth Proportional to 19,261.64, 28,892.84 and 8,729.72

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Solution

The fourth proportional to 19,261.64, 28,892.84 and 8,729.72 is: 13,094.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.64 : 28,892.84 = 8,729.72 : x
  2. Step 2: Convert to fraction form
    19,261.64/28,892.84 = 8,729.72/x
  3. Step 3: Cross multiply
    19,261.64x = 28,892.84 × 8,729.72
  4. Step 4: Simplify right side
    19,261.64x = 252,226,403.20
  5. Step 5: Solve for x
    x = 252,226,403.20/19,261.64
  6. Step 6: Final answer
    x = 13,094.75

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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.