Home / 19,108.83-28,655.97-7,419.33

Finding the Fourth Proportional to 19,108.83, 28,655.97 and 7,419.33

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Solution

The fourth proportional to 19,108.83, 28,655.97 and 7,419.33 is: 11,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.83 : 28,655.97 = 7,419.33 : x
  2. Step 2: Convert to fraction form
    19,108.83/28,655.97 = 7,419.33/x
  3. Step 3: Cross multiply
    19,108.83x = 28,655.97 × 7,419.33
  4. Step 4: Simplify right side
    19,108.83x = 212,608,097.90
  5. Step 5: Solve for x
    x = 212,608,097.90/19,108.83
  6. Step 6: Final answer
    x = 11,126.17

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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.