Home / 12,805.80-19,207.44-4,484.28

Finding the Fourth Proportional to 12,805.80, 19,207.44 and 4,484.28

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Solution

The fourth proportional to 12,805.80, 19,207.44 and 4,484.28 is: 6,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805.80 : 19,207.44 = 4,484.28 : x
  2. Step 2: Convert to fraction form
    12,805.80/19,207.44 = 4,484.28/x
  3. Step 3: Cross multiply
    12,805.80x = 19,207.44 × 4,484.28
  4. Step 4: Simplify right side
    12,805.80x = 86,131,539.04
  5. Step 5: Solve for x
    x = 86,131,539.04/12,805.80
  6. Step 6: Final answer
    x = 6,725.98

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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.