Home / 10,855.16-16,285.14-4,530.12

Finding the Fourth Proportional to 10,855.16, 16,285.14 and 4,530.12

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Solution

The fourth proportional to 10,855.16, 16,285.14 and 4,530.12 is: 6,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.16 : 16,285.14 = 4,530.12 : x
  2. Step 2: Convert to fraction form
    10,855.16/16,285.14 = 4,530.12/x
  3. Step 3: Cross multiply
    10,855.16x = 16,285.14 × 4,530.12
  4. Step 4: Simplify right side
    10,855.16x = 73,773,638.42
  5. Step 5: Solve for x
    x = 73,773,638.42/10,855.16
  6. Step 6: Final answer
    x = 6,796.18

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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.