Home / 18,330.30-25,295.69-10,372.35

Finding the Fourth Proportional to 18,330.30, 25,295.69 and 10,372.35

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Solution

The fourth proportional to 18,330.30, 25,295.69 and 10,372.35 is: 14,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.30 : 25,295.69 = 10,372.35 : x
  2. Step 2: Convert to fraction form
    18,330.30/25,295.69 = 10,372.35/x
  3. Step 3: Cross multiply
    18,330.30x = 25,295.69 × 10,372.35
  4. Step 4: Simplify right side
    18,330.30x = 262,375,870.96
  5. Step 5: Solve for x
    x = 262,375,870.96/18,330.30
  6. Step 6: Final answer
    x = 14,313.78

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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.