Home / 18,678.24-25,773.84-10,294.56

Finding the Fourth Proportional to 18,678.24, 25,773.84 and 10,294.56

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Solution

The fourth proportional to 18,678.24, 25,773.84 and 10,294.56 is: 14,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678.24 : 25,773.84 = 10,294.56 : x
  2. Step 2: Convert to fraction form
    18,678.24/25,773.84 = 10,294.56/x
  3. Step 3: Cross multiply
    18,678.24x = 25,773.84 × 10,294.56
  4. Step 4: Simplify right side
    18,678.24x = 265,330,342.31
  5. Step 5: Solve for x
    x = 265,330,342.31/18,678.24
  6. Step 6: Final answer
    x = 14,205.32

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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.