Home / 12,777.19-19,165.96-4,012.11

Finding the Fourth Proportional to 12,777.19, 19,165.96 and 4,012.11

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Solution

The fourth proportional to 12,777.19, 19,165.96 and 4,012.11 is: 6,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.19 : 19,165.96 = 4,012.11 : x
  2. Step 2: Convert to fraction form
    12,777.19/19,165.96 = 4,012.11/x
  3. Step 3: Cross multiply
    12,777.19x = 19,165.96 × 4,012.11
  4. Step 4: Simplify right side
    12,777.19x = 76,895,939.78
  5. Step 5: Solve for x
    x = 76,895,939.78/12,777.19
  6. Step 6: Final answer
    x = 6,018.22

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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.