Home / 10,855.22-16,282.62-4,281.46

Finding the Fourth Proportional to 10,855.22, 16,282.62 and 4,281.46

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Solution

The fourth proportional to 10,855.22, 16,282.62 and 4,281.46 is: 6,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.22 : 16,282.62 = 4,281.46 : x
  2. Step 2: Convert to fraction form
    10,855.22/16,282.62 = 4,281.46/x
  3. Step 3: Cross multiply
    10,855.22x = 16,282.62 × 4,281.46
  4. Step 4: Simplify right side
    10,855.22x = 69,713,345.52
  5. Step 5: Solve for x
    x = 69,713,345.52/10,855.22
  6. Step 6: Final answer
    x = 6,422.11

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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.