Home / 19,089.12-28,633.84-5,940.96

Finding the Fourth Proportional to 19,089.12, 28,633.84 and 5,940.96

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Solution

The fourth proportional to 19,089.12, 28,633.84 and 5,940.96 is: 8,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.12 : 28,633.84 = 5,940.96 : x
  2. Step 2: Convert to fraction form
    19,089.12/28,633.84 = 5,940.96/x
  3. Step 3: Cross multiply
    19,089.12x = 28,633.84 × 5,940.96
  4. Step 4: Simplify right side
    19,089.12x = 170,112,498.09
  5. Step 5: Solve for x
    x = 170,112,498.09/19,089.12
  6. Step 6: Final answer
    x = 8,911.49

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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.