Home / 18,416.25-25,414.47-10,032.75

Finding the Fourth Proportional to 18,416.25, 25,414.47 and 10,032.75

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Solution

The fourth proportional to 18,416.25, 25,414.47 and 10,032.75 is: 13,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.25 : 25,414.47 = 10,032.75 : x
  2. Step 2: Convert to fraction form
    18,416.25/25,414.47 = 10,032.75/x
  3. Step 3: Cross multiply
    18,416.25x = 25,414.47 × 10,032.75
  4. Step 4: Simplify right side
    18,416.25x = 254,977,023.89
  5. Step 5: Solve for x
    x = 254,977,023.89/18,416.25
  6. Step 6: Final answer
    x = 13,845.22

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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.