Home / 14,272.64-19,651.52-12,960.44

Finding the Fourth Proportional to 14,272.64, 19,651.52 and 12,960.44

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Solution

The fourth proportional to 14,272.64, 19,651.52 and 12,960.44 is: 17,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.64 : 19,651.52 = 12,960.44 : x
  2. Step 2: Convert to fraction form
    14,272.64/19,651.52 = 12,960.44/x
  3. Step 3: Cross multiply
    14,272.64x = 19,651.52 × 12,960.44
  4. Step 4: Simplify right side
    14,272.64x = 254,692,345.87
  5. Step 5: Solve for x
    x = 254,692,345.87/14,272.64
  6. Step 6: Final answer
    x = 17,844.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.