Home / 19,296.33-28,930.82-7,440.05

Finding the Fourth Proportional to 19,296.33, 28,930.82 and 7,440.05

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Solution

The fourth proportional to 19,296.33, 28,930.82 and 7,440.05 is: 11,154.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296.33 : 28,930.82 = 7,440.05 : x
  2. Step 2: Convert to fraction form
    19,296.33/28,930.82 = 7,440.05/x
  3. Step 3: Cross multiply
    19,296.33x = 28,930.82 × 7,440.05
  4. Step 4: Simplify right side
    19,296.33x = 215,246,824.32
  5. Step 5: Solve for x
    x = 215,246,824.32/19,296.33
  6. Step 6: Final answer
    x = 11,154.81

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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.