Home / 12,998.06-17,937.30-7,029.68

Finding the Fourth Proportional to 12,998.06, 17,937.30 and 7,029.68

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Solution

The fourth proportional to 12,998.06, 17,937.30 and 7,029.68 is: 9,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998.06 : 17,937.30 = 7,029.68 : x
  2. Step 2: Convert to fraction form
    12,998.06/17,937.30 = 7,029.68/x
  3. Step 3: Cross multiply
    12,998.06x = 17,937.30 × 7,029.68
  4. Step 4: Simplify right side
    12,998.06x = 126,093,479.06
  5. Step 5: Solve for x
    x = 126,093,479.06/12,998.06
  6. Step 6: Final answer
    x = 9,700.95

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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.