Home / 18,505.73-25,537.59-11,334.53

Finding the Fourth Proportional to 18,505.73, 25,537.59 and 11,334.53

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Solution

The fourth proportional to 18,505.73, 25,537.59 and 11,334.53 is: 15,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,505.73 : 25,537.59 = 11,334.53 : x
  2. Step 2: Convert to fraction form
    18,505.73/25,537.59 = 11,334.53/x
  3. Step 3: Cross multiply
    18,505.73x = 25,537.59 × 11,334.53
  4. Step 4: Simplify right side
    18,505.73x = 289,456,643.83
  5. Step 5: Solve for x
    x = 289,456,643.83/18,505.73
  6. Step 6: Final answer
    x = 15,641.46

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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.