Home / 18,220.73-25,151.66-14,243.13

Finding the Fourth Proportional to 18,220.73, 25,151.66 and 14,243.13

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Solution

The fourth proportional to 18,220.73, 25,151.66 and 14,243.13 is: 19,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.73 : 25,151.66 = 14,243.13 : x
  2. Step 2: Convert to fraction form
    18,220.73/25,151.66 = 14,243.13/x
  3. Step 3: Cross multiply
    18,220.73x = 25,151.66 × 14,243.13
  4. Step 4: Simplify right side
    18,220.73x = 358,238,291.88
  5. Step 5: Solve for x
    x = 358,238,291.88/18,220.73
  6. Step 6: Final answer
    x = 19,661.03

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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.