Home / 19,668.84-27,112.26-13,370.28

Finding the Fourth Proportional to 19,668.84, 27,112.26 and 13,370.28

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Solution

The fourth proportional to 19,668.84, 27,112.26 and 13,370.28 is: 18,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,668.84 : 27,112.26 = 13,370.28 : x
  2. Step 2: Convert to fraction form
    19,668.84/27,112.26 = 13,370.28/x
  3. Step 3: Cross multiply
    19,668.84x = 27,112.26 × 13,370.28
  4. Step 4: Simplify right side
    19,668.84x = 362,498,507.63
  5. Step 5: Solve for x
    x = 362,498,507.63/19,668.84
  6. Step 6: Final answer
    x = 18,430.09

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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.