Home / 21,457.63-32,180.46-11,958.25

Finding the Fourth Proportional to 21,457.63, 32,180.46 and 11,958.25

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Solution

The fourth proportional to 21,457.63, 32,180.46 and 11,958.25 is: 17,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457.63 : 32,180.46 = 11,958.25 : x
  2. Step 2: Convert to fraction form
    21,457.63/32,180.46 = 11,958.25/x
  3. Step 3: Cross multiply
    21,457.63x = 32,180.46 × 11,958.25
  4. Step 4: Simplify right side
    21,457.63x = 384,821,920.84
  5. Step 5: Solve for x
    x = 384,821,920.84/21,457.63
  6. Step 6: Final answer
    x = 17,934.04

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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.