Home / 12,775.15-19,162.69-4,010.74

Finding the Fourth Proportional to 12,775.15, 19,162.69 and 4,010.74

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Solution

The fourth proportional to 12,775.15, 19,162.69 and 4,010.74 is: 6,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.15 : 19,162.69 = 4,010.74 : x
  2. Step 2: Convert to fraction form
    12,775.15/19,162.69 = 4,010.74/x
  3. Step 3: Cross multiply
    12,775.15x = 19,162.69 × 4,010.74
  4. Step 4: Simplify right side
    12,775.15x = 76,856,567.29
  5. Step 5: Solve for x
    x = 76,856,567.29/12,775.15
  6. Step 6: Final answer
    x = 6,016.10

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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.