Home / 18,660.16-25,749.84-10,276.66

Finding the Fourth Proportional to 18,660.16, 25,749.84 and 10,276.66

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Solution

The fourth proportional to 18,660.16, 25,749.84 and 10,276.66 is: 14,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.16 : 25,749.84 = 10,276.66 : x
  2. Step 2: Convert to fraction form
    18,660.16/25,749.84 = 10,276.66/x
  3. Step 3: Cross multiply
    18,660.16x = 25,749.84 × 10,276.66
  4. Step 4: Simplify right side
    18,660.16x = 264,622,299.35
  5. Step 5: Solve for x
    x = 264,622,299.35/18,660.16
  6. Step 6: Final answer
    x = 14,181.14

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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.