Home / 12,519.24-17,276.94-7,214.28

Finding the Fourth Proportional to 12,519.24, 17,276.94 and 7,214.28

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Solution

The fourth proportional to 12,519.24, 17,276.94 and 7,214.28 is: 9,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.24 : 17,276.94 = 7,214.28 : x
  2. Step 2: Convert to fraction form
    12,519.24/17,276.94 = 7,214.28/x
  3. Step 3: Cross multiply
    12,519.24x = 17,276.94 × 7,214.28
  4. Step 4: Simplify right side
    12,519.24x = 124,640,682.70
  5. Step 5: Solve for x
    x = 124,640,682.70/12,519.24
  6. Step 6: Final answer
    x = 9,955.93

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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.