Home / 12,671.33-19,010.12-4,351.47

Finding the Fourth Proportional to 12,671.33, 19,010.12 and 4,351.47

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Solution

The fourth proportional to 12,671.33, 19,010.12 and 4,351.47 is: 6,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.33 : 19,010.12 = 4,351.47 : x
  2. Step 2: Convert to fraction form
    12,671.33/19,010.12 = 4,351.47/x
  3. Step 3: Cross multiply
    12,671.33x = 19,010.12 × 4,351.47
  4. Step 4: Simplify right side
    12,671.33x = 82,721,966.88
  5. Step 5: Solve for x
    x = 82,721,966.88/12,671.33
  6. Step 6: Final answer
    x = 6,528.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.