Home / 12,776.38-19,167.65-4,011.29

Finding the Fourth Proportional to 12,776.38, 19,167.65 and 4,011.29

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Solution

The fourth proportional to 12,776.38, 19,167.65 and 4,011.29 is: 6,017.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,776.38 : 19,167.65 = 4,011.29 : x
  2. Step 2: Convert to fraction form
    12,776.38/19,167.65 = 4,011.29/x
  3. Step 3: Cross multiply
    12,776.38x = 19,167.65 × 4,011.29
  4. Step 4: Simplify right side
    12,776.38x = 76,886,886.87
  5. Step 5: Solve for x
    x = 76,886,886.87/12,776.38
  6. Step 6: Final answer
    x = 6,017.89

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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.