Home / 18,142.42-25,032.39-10,585.75

Finding the Fourth Proportional to 18,142.42, 25,032.39 and 10,585.75

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Solution

The fourth proportional to 18,142.42, 25,032.39 and 10,585.75 is: 14,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.42 : 25,032.39 = 10,585.75 : x
  2. Step 2: Convert to fraction form
    18,142.42/25,032.39 = 10,585.75/x
  3. Step 3: Cross multiply
    18,142.42x = 25,032.39 × 10,585.75
  4. Step 4: Simplify right side
    18,142.42x = 264,986,622.44
  5. Step 5: Solve for x
    x = 264,986,622.44/18,142.42
  6. Step 6: Final answer
    x = 14,605.91

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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.