Home / 18,499.97-25,532.98-13,751.45

Finding the Fourth Proportional to 18,499.97, 25,532.98 and 13,751.45

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Solution

The fourth proportional to 18,499.97, 25,532.98 and 13,751.45 is: 18,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.97 : 25,532.98 = 13,751.45 : x
  2. Step 2: Convert to fraction form
    18,499.97/25,532.98 = 13,751.45/x
  3. Step 3: Cross multiply
    18,499.97x = 25,532.98 × 13,751.45
  4. Step 4: Simplify right side
    18,499.97x = 351,115,480.63
  5. Step 5: Solve for x
    x = 351,115,480.63/18,499.97
  6. Step 6: Final answer
    x = 18,979.24

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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.