Home / 12,775.82-19,164.53-4,011.08

Finding the Fourth Proportional to 12,775.82, 19,164.53 and 4,011.08

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Solution

The fourth proportional to 12,775.82, 19,164.53 and 4,011.08 is: 6,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.82 : 19,164.53 = 4,011.08 : x
  2. Step 2: Convert to fraction form
    12,775.82/19,164.53 = 4,011.08/x
  3. Step 3: Cross multiply
    12,775.82x = 19,164.53 × 4,011.08
  4. Step 4: Simplify right side
    12,775.82x = 76,870,347.11
  5. Step 5: Solve for x
    x = 76,870,347.11/12,775.82
  6. Step 6: Final answer
    x = 6,016.86

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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.