Home / 12,371.68-17,073.14-6,782.32

Finding the Fourth Proportional to 12,371.68, 17,073.14 and 6,782.32

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Solution

The fourth proportional to 12,371.68, 17,073.14 and 6,782.32 is: 9,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.68 : 17,073.14 = 6,782.32 : x
  2. Step 2: Convert to fraction form
    12,371.68/17,073.14 = 6,782.32/x
  3. Step 3: Cross multiply
    12,371.68x = 17,073.14 × 6,782.32
  4. Step 4: Simplify right side
    12,371.68x = 115,795,498.88
  5. Step 5: Solve for x
    x = 115,795,498.88/12,371.68
  6. Step 6: Final answer
    x = 9,359.72

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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.