Home / 19,605.36-27,048.80-11,106.64

Finding the Fourth Proportional to 19,605.36, 27,048.80 and 11,106.64

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Solution

The fourth proportional to 19,605.36, 27,048.80 and 11,106.64 is: 15,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.36 : 27,048.80 = 11,106.64 : x
  2. Step 2: Convert to fraction form
    19,605.36/27,048.80 = 11,106.64/x
  3. Step 3: Cross multiply
    19,605.36x = 27,048.80 × 11,106.64
  4. Step 4: Simplify right side
    19,605.36x = 300,421,284.03
  5. Step 5: Solve for x
    x = 300,421,284.03/19,605.36
  6. Step 6: Final answer
    x = 15,323.43

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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.