Home / 12,777.51-19,145-4,452.94

Finding the Fourth Proportional to 12,777.51, 19,145 and 4,452.94

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Solution

The fourth proportional to 12,777.51, 19,145 and 4,452.94 is: 6,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.51 : 19,145 = 4,452.94 : x
  2. Step 2: Convert to fraction form
    12,777.51/19,145 = 4,452.94/x
  3. Step 3: Cross multiply
    12,777.51x = 19,145 × 4,452.94
  4. Step 4: Simplify right side
    12,777.51x = 85,251,536.30
  5. Step 5: Solve for x
    x = 85,251,536.30/12,777.51
  6. Step 6: Final answer
    x = 6,672.00

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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.