Home / 18,464.40-25,480.68-10,080.90

Finding the Fourth Proportional to 18,464.40, 25,480.68 and 10,080.90

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Solution

The fourth proportional to 18,464.40, 25,480.68 and 10,080.90 is: 13,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.40 : 25,480.68 = 10,080.90 : x
  2. Step 2: Convert to fraction form
    18,464.40/25,480.68 = 10,080.90/x
  3. Step 3: Cross multiply
    18,464.40x = 25,480.68 × 10,080.90
  4. Step 4: Simplify right side
    18,464.40x = 256,868,187.01
  5. Step 5: Solve for x
    x = 256,868,187.01/18,464.40
  6. Step 6: Final answer
    x = 13,911.54

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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.