Home / 18,220.11-25,143.84-10,262.46

Finding the Fourth Proportional to 18,220.11, 25,143.84 and 10,262.46

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Solution

The fourth proportional to 18,220.11, 25,143.84 and 10,262.46 is: 14,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.11 : 25,143.84 = 10,262.46 : x
  2. Step 2: Convert to fraction form
    18,220.11/25,143.84 = 10,262.46/x
  3. Step 3: Cross multiply
    18,220.11x = 25,143.84 × 10,262.46
  4. Step 4: Simplify right side
    18,220.11x = 258,037,652.25
  5. Step 5: Solve for x
    x = 258,037,652.25/18,220.11
  6. Step 6: Final answer
    x = 14,162.24

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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.