Home / 14,204.31-21,273.66-13,712.25

Finding the Fourth Proportional to 14,204.31, 21,273.66 and 13,712.25

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Solution

The fourth proportional to 14,204.31, 21,273.66 and 13,712.25 is: 20,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,204.31 : 21,273.66 = 13,712.25 : x
  2. Step 2: Convert to fraction form
    14,204.31/21,273.66 = 13,712.25/x
  3. Step 3: Cross multiply
    14,204.31x = 21,273.66 × 13,712.25
  4. Step 4: Simplify right side
    14,204.31x = 291,709,744.34
  5. Step 5: Solve for x
    x = 291,709,744.34/14,204.31
  6. Step 6: Final answer
    x = 20,536.71

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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.