Home / 18,884.21-26,061.48-12,499.80

Finding the Fourth Proportional to 18,884.21, 26,061.48 and 12,499.80

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Solution

The fourth proportional to 18,884.21, 26,061.48 and 12,499.80 is: 17,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.21 : 26,061.48 = 12,499.80 : x
  2. Step 2: Convert to fraction form
    18,884.21/26,061.48 = 12,499.80/x
  3. Step 3: Cross multiply
    18,884.21x = 26,061.48 × 12,499.80
  4. Step 4: Simplify right side
    18,884.21x = 325,763,287.70
  5. Step 5: Solve for x
    x = 325,763,287.70/18,884.21
  6. Step 6: Final answer
    x = 17,250.56

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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.