Home / 18,426.42-27,619.92-10,511.88

Finding the Fourth Proportional to 18,426.42, 27,619.92 and 10,511.88

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Solution

The fourth proportional to 18,426.42, 27,619.92 and 10,511.88 is: 15,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.42 : 27,619.92 = 10,511.88 : x
  2. Step 2: Convert to fraction form
    18,426.42/27,619.92 = 10,511.88/x
  3. Step 3: Cross multiply
    18,426.42x = 27,619.92 × 10,511.88
  4. Step 4: Simplify right side
    18,426.42x = 290,337,284.65
  5. Step 5: Solve for x
    x = 290,337,284.65/18,426.42
  6. Step 6: Final answer
    x = 15,756.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.