Home / 19,660.69-27,132.06-10,708.19

Finding the Fourth Proportional to 19,660.69, 27,132.06 and 10,708.19

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Solution

The fourth proportional to 19,660.69, 27,132.06 and 10,708.19 is: 14,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.69 : 27,132.06 = 10,708.19 : x
  2. Step 2: Convert to fraction form
    19,660.69/27,132.06 = 10,708.19/x
  3. Step 3: Cross multiply
    19,660.69x = 27,132.06 × 10,708.19
  4. Step 4: Simplify right side
    19,660.69x = 290,535,253.57
  5. Step 5: Solve for x
    x = 290,535,253.57/19,660.69
  6. Step 6: Final answer
    x = 14,777.47

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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.