Home / 15,518.36-23,268.75-14,195.90

Finding the Fourth Proportional to 15,518.36, 23,268.75 and 14,195.90

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Solution

The fourth proportional to 15,518.36, 23,268.75 and 14,195.90 is: 21,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.36 : 23,268.75 = 14,195.90 : x
  2. Step 2: Convert to fraction form
    15,518.36/23,268.75 = 14,195.90/x
  3. Step 3: Cross multiply
    15,518.36x = 23,268.75 × 14,195.90
  4. Step 4: Simplify right side
    15,518.36x = 330,320,731.78
  5. Step 5: Solve for x
    x = 330,320,731.78/15,518.36
  6. Step 6: Final answer
    x = 21,285.81

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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.