Home / 18,784.14-25,922.11-10,400.64

Finding the Fourth Proportional to 18,784.14, 25,922.11 and 10,400.64

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Solution

The fourth proportional to 18,784.14, 25,922.11 and 10,400.64 is: 14,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.14 : 25,922.11 = 10,400.64 : x
  2. Step 2: Convert to fraction form
    18,784.14/25,922.11 = 10,400.64/x
  3. Step 3: Cross multiply
    18,784.14x = 25,922.11 × 10,400.64
  4. Step 4: Simplify right side
    18,784.14x = 269,606,534.15
  5. Step 5: Solve for x
    x = 269,606,534.15/18,784.14
  6. Step 6: Final answer
    x = 14,352.88

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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.