Home / 12,679.06-17,496.95-7,013.37

Finding the Fourth Proportional to 12,679.06, 17,496.95 and 7,013.37

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Solution

The fourth proportional to 12,679.06, 17,496.95 and 7,013.37 is: 9,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679.06 : 17,496.95 = 7,013.37 : x
  2. Step 2: Convert to fraction form
    12,679.06/17,496.95 = 7,013.37/x
  3. Step 3: Cross multiply
    12,679.06x = 17,496.95 × 7,013.37
  4. Step 4: Simplify right side
    12,679.06x = 122,712,584.22
  5. Step 5: Solve for x
    x = 122,712,584.22/12,679.06
  6. Step 6: Final answer
    x = 9,678.37

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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.