Home / 12,519.45-17,277.17-7,214.49

Finding the Fourth Proportional to 12,519.45, 17,277.17 and 7,214.49

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Solution

The fourth proportional to 12,519.45, 17,277.17 and 7,214.49 is: 9,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.45 : 17,277.17 = 7,214.49 : x
  2. Step 2: Convert to fraction form
    12,519.45/17,277.17 = 7,214.49/x
  3. Step 3: Cross multiply
    12,519.45x = 17,277.17 × 7,214.49
  4. Step 4: Simplify right side
    12,519.45x = 124,645,934.12
  5. Step 5: Solve for x
    x = 124,645,934.12/12,519.45
  6. Step 6: Final answer
    x = 9,956.18

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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.