Home / 12,708.36-17,537.31-7,119.36

Finding the Fourth Proportional to 12,708.36, 17,537.31 and 7,119.36

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Solution

The fourth proportional to 12,708.36, 17,537.31 and 7,119.36 is: 9,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.36 : 17,537.31 = 7,119.36 : x
  2. Step 2: Convert to fraction form
    12,708.36/17,537.31 = 7,119.36/x
  3. Step 3: Cross multiply
    12,708.36x = 17,537.31 × 7,119.36
  4. Step 4: Simplify right side
    12,708.36x = 124,854,423.32
  5. Step 5: Solve for x
    x = 124,854,423.32/12,708.36
  6. Step 6: Final answer
    x = 9,824.59

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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.