Home / 19,805.58-29,718.15-9,276.33

Finding the Fourth Proportional to 19,805.58, 29,718.15 and 9,276.33

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Solution

The fourth proportional to 19,805.58, 29,718.15 and 9,276.33 is: 13,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.58 : 29,718.15 = 9,276.33 : x
  2. Step 2: Convert to fraction form
    19,805.58/29,718.15 = 9,276.33/x
  3. Step 3: Cross multiply
    19,805.58x = 29,718.15 × 9,276.33
  4. Step 4: Simplify right side
    19,805.58x = 275,675,366.39
  5. Step 5: Solve for x
    x = 275,675,366.39/19,805.58
  6. Step 6: Final answer
    x = 13,919.08

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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.