Home / 21,473.09-32,176.78-11,479.25

Finding the Fourth Proportional to 21,473.09, 32,176.78 and 11,479.25

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Solution

The fourth proportional to 21,473.09, 32,176.78 and 11,479.25 is: 17,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.09 : 32,176.78 = 11,479.25 : x
  2. Step 2: Convert to fraction form
    21,473.09/32,176.78 = 11,479.25/x
  3. Step 3: Cross multiply
    21,473.09x = 32,176.78 × 11,479.25
  4. Step 4: Simplify right side
    21,473.09x = 369,365,301.82
  5. Step 5: Solve for x
    x = 369,365,301.82/21,473.09
  6. Step 6: Final answer
    x = 17,201.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.