Home / 12,836.80-19,238.16-9,523.92

Finding the Fourth Proportional to 12,836.80, 19,238.16 and 9,523.92

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Solution

The fourth proportional to 12,836.80, 19,238.16 and 9,523.92 is: 14,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.80 : 19,238.16 = 9,523.92 : x
  2. Step 2: Convert to fraction form
    12,836.80/19,238.16 = 9,523.92/x
  3. Step 3: Cross multiply
    12,836.80x = 19,238.16 × 9,523.92
  4. Step 4: Simplify right side
    12,836.80x = 183,222,696.79
  5. Step 5: Solve for x
    x = 183,222,696.79/12,836.80
  6. Step 6: Final answer
    x = 14,273.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.