Home / 21,642.33-32,464.26-11,109.51

Finding the Fourth Proportional to 21,642.33, 32,464.26 and 11,109.51

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Solution

The fourth proportional to 21,642.33, 32,464.26 and 11,109.51 is: 16,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642.33 : 32,464.26 = 11,109.51 : x
  2. Step 2: Convert to fraction form
    21,642.33/32,464.26 = 11,109.51/x
  3. Step 3: Cross multiply
    21,642.33x = 32,464.26 × 11,109.51
  4. Step 4: Simplify right side
    21,642.33x = 360,662,021.11
  5. Step 5: Solve for x
    x = 360,662,021.11/21,642.33
  6. Step 6: Final answer
    x = 16,664.66

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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.