Home / 12,958.76-17,862.54-9,767.36

Finding the Fourth Proportional to 12,958.76, 17,862.54 and 9,767.36

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Solution

The fourth proportional to 12,958.76, 17,862.54 and 9,767.36 is: 13,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958.76 : 17,862.54 = 9,767.36 : x
  2. Step 2: Convert to fraction form
    12,958.76/17,862.54 = 9,767.36/x
  3. Step 3: Cross multiply
    12,958.76x = 17,862.54 × 9,767.36
  4. Step 4: Simplify right side
    12,958.76x = 174,469,858.69
  5. Step 5: Solve for x
    x = 174,469,858.69/12,958.76
  6. Step 6: Final answer
    x = 13,463.47

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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.