Home / 18,243.17-25,175.24-10,285.40

Finding the Fourth Proportional to 18,243.17, 25,175.24 and 10,285.40

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Solution

The fourth proportional to 18,243.17, 25,175.24 and 10,285.40 is: 14,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.17 : 25,175.24 = 10,285.40 : x
  2. Step 2: Convert to fraction form
    18,243.17/25,175.24 = 10,285.40/x
  3. Step 3: Cross multiply
    18,243.17x = 25,175.24 × 10,285.40
  4. Step 4: Simplify right side
    18,243.17x = 258,937,236.19
  5. Step 5: Solve for x
    x = 258,937,236.19/18,243.17
  6. Step 6: Final answer
    x = 14,193.66

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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.