Home / 12,087.02-16,676.79-7,371.20

Finding the Fourth Proportional to 12,087.02, 16,676.79 and 7,371.20

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Solution

The fourth proportional to 12,087.02, 16,676.79 and 7,371.20 is: 10,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.02 : 16,676.79 = 7,371.20 : x
  2. Step 2: Convert to fraction form
    12,087.02/16,676.79 = 7,371.20/x
  3. Step 3: Cross multiply
    12,087.02x = 16,676.79 × 7,371.20
  4. Step 4: Simplify right side
    12,087.02x = 122,927,954.45
  5. Step 5: Solve for x
    x = 122,927,954.45/12,087.02
  6. Step 6: Final answer
    x = 10,170.24

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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.