Home / 18,682.52-25,781.69-10,184.40

Finding the Fourth Proportional to 18,682.52, 25,781.69 and 10,184.40

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Solution

The fourth proportional to 18,682.52, 25,781.69 and 10,184.40 is: 14,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.52 : 25,781.69 = 10,184.40 : x
  2. Step 2: Convert to fraction form
    18,682.52/25,781.69 = 10,184.40/x
  3. Step 3: Cross multiply
    18,682.52x = 25,781.69 × 10,184.40
  4. Step 4: Simplify right side
    18,682.52x = 262,571,069.10
  5. Step 5: Solve for x
    x = 262,571,069.10/18,682.52
  6. Step 6: Final answer
    x = 14,054.37

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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.