Home / 17,974.18-24,803.82-10,420.66

Finding the Fourth Proportional to 17,974.18, 24,803.82 and 10,420.66

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Solution

The fourth proportional to 17,974.18, 24,803.82 and 10,420.66 is: 14,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,974.18 : 24,803.82 = 10,420.66 : x
  2. Step 2: Convert to fraction form
    17,974.18/24,803.82 = 10,420.66/x
  3. Step 3: Cross multiply
    17,974.18x = 24,803.82 × 10,420.66
  4. Step 4: Simplify right side
    17,974.18x = 258,472,174.92
  5. Step 5: Solve for x
    x = 258,472,174.92/17,974.18
  6. Step 6: Final answer
    x = 14,380.19

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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.