Home / 12,776.75-19,167.54-4,459.14

Finding the Fourth Proportional to 12,776.75, 19,167.54 and 4,459.14

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Solution

The fourth proportional to 12,776.75, 19,167.54 and 4,459.14 is: 6,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.75 : 19,167.54 = 4,459.14 : x
  2. Step 2: Convert to fraction form
    12,776.75/19,167.54 = 4,459.14/x
  3. Step 3: Cross multiply
    12,776.75x = 19,167.54 × 4,459.14
  4. Step 4: Simplify right side
    12,776.75x = 85,470,744.32
  5. Step 5: Solve for x
    x = 85,470,744.32/12,776.75
  6. Step 6: Final answer
    x = 6,689.56

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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.