Home / 12,671.20-17,486.36-7,006.04

Finding the Fourth Proportional to 12,671.20, 17,486.36 and 7,006.04

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Solution

The fourth proportional to 12,671.20, 17,486.36 and 7,006.04 is: 9,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.20 : 17,486.36 = 7,006.04 : x
  2. Step 2: Convert to fraction form
    12,671.20/17,486.36 = 7,006.04/x
  3. Step 3: Cross multiply
    12,671.20x = 17,486.36 × 7,006.04
  4. Step 4: Simplify right side
    12,671.20x = 122,510,185.66
  5. Step 5: Solve for x
    x = 122,510,185.66/12,671.20
  6. Step 6: Final answer
    x = 9,668.40

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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.