Home / 19,479.35-29,195.96-8,940.51

Finding the Fourth Proportional to 19,479.35, 29,195.96 and 8,940.51

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Solution

The fourth proportional to 19,479.35, 29,195.96 and 8,940.51 is: 13,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.35 : 29,195.96 = 8,940.51 : x
  2. Step 2: Convert to fraction form
    19,479.35/29,195.96 = 8,940.51/x
  3. Step 3: Cross multiply
    19,479.35x = 29,195.96 × 8,940.51
  4. Step 4: Simplify right side
    19,479.35x = 261,026,727.64
  5. Step 5: Solve for x
    x = 261,026,727.64/19,479.35
  6. Step 6: Final answer
    x = 13,400.17

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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.