Home / 19,074.49-28,579.48-11,663.39

Finding the Fourth Proportional to 19,074.49, 28,579.48 and 11,663.39

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Solution

The fourth proportional to 19,074.49, 28,579.48 and 11,663.39 is: 17,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.49 : 28,579.48 = 11,663.39 : x
  2. Step 2: Convert to fraction form
    19,074.49/28,579.48 = 11,663.39/x
  3. Step 3: Cross multiply
    19,074.49x = 28,579.48 × 11,663.39
  4. Step 4: Simplify right side
    19,074.49x = 333,333,729.13
  5. Step 5: Solve for x
    x = 333,333,729.13/19,074.49
  6. Step 6: Final answer
    x = 17,475.37

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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.