Home / 18,243.24-25,175.71-10,285.45

Finding the Fourth Proportional to 18,243.24, 25,175.71 and 10,285.45

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Solution

The fourth proportional to 18,243.24, 25,175.71 and 10,285.45 is: 14,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.24 : 25,175.71 = 10,285.45 : x
  2. Step 2: Convert to fraction form
    18,243.24/25,175.71 = 10,285.45/x
  3. Step 3: Cross multiply
    18,243.24x = 25,175.71 × 10,285.45
  4. Step 4: Simplify right side
    18,243.24x = 258,943,329.11
  5. Step 5: Solve for x
    x = 258,943,329.11/18,243.24
  6. Step 6: Final answer
    x = 14,193.93

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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.