Home / 12,400.17-18,625.43-10,952.20

Finding the Fourth Proportional to 12,400.17, 18,625.43 and 10,952.20

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Solution

The fourth proportional to 12,400.17, 18,625.43 and 10,952.20 is: 16,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.17 : 18,625.43 = 10,952.20 : x
  2. Step 2: Convert to fraction form
    12,400.17/18,625.43 = 10,952.20/x
  3. Step 3: Cross multiply
    12,400.17x = 18,625.43 × 10,952.20
  4. Step 4: Simplify right side
    12,400.17x = 203,989,434.45
  5. Step 5: Solve for x
    x = 203,989,434.45/12,400.17
  6. Step 6: Final answer
    x = 16,450.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.