Home / 12,775.77-19,166.89-4,010.76

Finding the Fourth Proportional to 12,775.77, 19,166.89 and 4,010.76

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Solution

The fourth proportional to 12,775.77, 19,166.89 and 4,010.76 is: 6,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.77 : 19,166.89 = 4,010.76 : x
  2. Step 2: Convert to fraction form
    12,775.77/19,166.89 = 4,010.76/x
  3. Step 3: Cross multiply
    12,775.77x = 19,166.89 × 4,010.76
  4. Step 4: Simplify right side
    12,775.77x = 76,873,795.74
  5. Step 5: Solve for x
    x = 76,873,795.74/12,775.77
  6. Step 6: Final answer
    x = 6,017.16

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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.