Home / 13,261.52-19,863.48-12,892.88

Finding the Fourth Proportional to 13,261.52, 19,863.48 and 12,892.88

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Solution

The fourth proportional to 13,261.52, 19,863.48 and 12,892.88 is: 19,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.52 : 19,863.48 = 12,892.88 : x
  2. Step 2: Convert to fraction form
    13,261.52/19,863.48 = 12,892.88/x
  3. Step 3: Cross multiply
    13,261.52x = 19,863.48 × 12,892.88
  4. Step 4: Simplify right side
    13,261.52x = 256,097,464.02
  5. Step 5: Solve for x
    x = 256,097,464.02/13,261.52
  6. Step 6: Final answer
    x = 19,311.32

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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.