Home / 12,675.36-17,493.06-7,371.90

Finding the Fourth Proportional to 12,675.36, 17,493.06 and 7,371.90

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Solution

The fourth proportional to 12,675.36, 17,493.06 and 7,371.90 is: 10,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.36 : 17,493.06 = 7,371.90 : x
  2. Step 2: Convert to fraction form
    12,675.36/17,493.06 = 7,371.90/x
  3. Step 3: Cross multiply
    12,675.36x = 17,493.06 × 7,371.90
  4. Step 4: Simplify right side
    12,675.36x = 128,957,089.01
  5. Step 5: Solve for x
    x = 128,957,089.01/12,675.36
  6. Step 6: Final answer
    x = 10,173.84

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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.