Home / 19,661.19-27,132.75-10,708.69

Finding the Fourth Proportional to 19,661.19, 27,132.75 and 10,708.69

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Solution

The fourth proportional to 19,661.19, 27,132.75 and 10,708.69 is: 14,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.19 : 27,132.75 = 10,708.69 : x
  2. Step 2: Convert to fraction form
    19,661.19/27,132.75 = 10,708.69/x
  3. Step 3: Cross multiply
    19,661.19x = 27,132.75 × 10,708.69
  4. Step 4: Simplify right side
    19,661.19x = 290,556,208.60
  5. Step 5: Solve for x
    x = 290,556,208.60/19,661.19
  6. Step 6: Final answer
    x = 14,778.16

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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.