Home / 12,671.24-17,486.34-7,006.28

Finding the Fourth Proportional to 12,671.24, 17,486.34 and 7,006.28

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Solution

The fourth proportional to 12,671.24, 17,486.34 and 7,006.28 is: 9,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.24 : 17,486.34 = 7,006.28 : x
  2. Step 2: Convert to fraction form
    12,671.24/17,486.34 = 7,006.28/x
  3. Step 3: Cross multiply
    12,671.24x = 17,486.34 × 7,006.28
  4. Step 4: Simplify right side
    12,671.24x = 122,514,194.22
  5. Step 5: Solve for x
    x = 122,514,194.22/12,671.24
  6. Step 6: Final answer
    x = 9,668.68

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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.