Home / 13,414.07-18,519.77-12,577.25

Finding the Fourth Proportional to 13,414.07, 18,519.77 and 12,577.25

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Solution

The fourth proportional to 13,414.07, 18,519.77 and 12,577.25 is: 17,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.07 : 18,519.77 = 12,577.25 : x
  2. Step 2: Convert to fraction form
    13,414.07/18,519.77 = 12,577.25/x
  3. Step 3: Cross multiply
    13,414.07x = 18,519.77 × 12,577.25
  4. Step 4: Simplify right side
    13,414.07x = 232,927,777.23
  5. Step 5: Solve for x
    x = 232,927,777.23/13,414.07
  6. Step 6: Final answer
    x = 17,364.44

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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.