Home / 18,243.95-25,175.14-10,288.13

Finding the Fourth Proportional to 18,243.95, 25,175.14 and 10,288.13

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Solution

The fourth proportional to 18,243.95, 25,175.14 and 10,288.13 is: 14,196.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.95 : 25,175.14 = 10,288.13 : x
  2. Step 2: Convert to fraction form
    18,243.95/25,175.14 = 10,288.13/x
  3. Step 3: Cross multiply
    18,243.95x = 25,175.14 × 10,288.13
  4. Step 4: Simplify right side
    18,243.95x = 259,004,961.49
  5. Step 5: Solve for x
    x = 259,004,961.49/18,243.95
  6. Step 6: Final answer
    x = 14,196.76

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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.