Home / 19,845.69-27,389.57-11,462.19

Finding the Fourth Proportional to 19,845.69, 27,389.57 and 11,462.19

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Solution

The fourth proportional to 19,845.69, 27,389.57 and 11,462.19 is: 15,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.69 : 27,389.57 = 11,462.19 : x
  2. Step 2: Convert to fraction form
    19,845.69/27,389.57 = 11,462.19/x
  3. Step 3: Cross multiply
    19,845.69x = 27,389.57 × 11,462.19
  4. Step 4: Simplify right side
    19,845.69x = 313,944,455.36
  5. Step 5: Solve for x
    x = 313,944,455.36/19,845.69
  6. Step 6: Final answer
    x = 15,819.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.