Home / 19,321.09-26,661.59-10,822.55

Finding the Fourth Proportional to 19,321.09, 26,661.59 and 10,822.55

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Solution

The fourth proportional to 19,321.09, 26,661.59 and 10,822.55 is: 14,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.09 : 26,661.59 = 10,822.55 : x
  2. Step 2: Convert to fraction form
    19,321.09/26,661.59 = 10,822.55/x
  3. Step 3: Cross multiply
    19,321.09x = 26,661.59 × 10,822.55
  4. Step 4: Simplify right side
    19,321.09x = 288,546,390.85
  5. Step 5: Solve for x
    x = 288,546,390.85/19,321.09
  6. Step 6: Final answer
    x = 14,934.27

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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.