Home / 18,224.84-25,151.44-13,740.68

Finding the Fourth Proportional to 18,224.84, 25,151.44 and 13,740.68

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Solution

The fourth proportional to 18,224.84, 25,151.44 and 13,740.68 is: 18,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.84 : 25,151.44 = 13,740.68 : x
  2. Step 2: Convert to fraction form
    18,224.84/25,151.44 = 13,740.68/x
  3. Step 3: Cross multiply
    18,224.84x = 25,151.44 × 13,740.68
  4. Step 4: Simplify right side
    18,224.84x = 345,597,888.58
  5. Step 5: Solve for x
    x = 345,597,888.58/18,224.84
  6. Step 6: Final answer
    x = 18,963.01

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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.