Home / 12,777.24-19,168.92-4,012.15

Finding the Fourth Proportional to 12,777.24, 19,168.92 and 4,012.15

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Solution

The fourth proportional to 12,777.24, 19,168.92 and 4,012.15 is: 6,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.24 : 19,168.92 = 4,012.15 : x
  2. Step 2: Convert to fraction form
    12,777.24/19,168.92 = 4,012.15/x
  3. Step 3: Cross multiply
    12,777.24x = 19,168.92 × 4,012.15
  4. Step 4: Simplify right side
    12,777.24x = 76,908,582.38
  5. Step 5: Solve for x
    x = 76,908,582.38/12,777.24
  6. Step 6: Final answer
    x = 6,019.19

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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.