Home / 12,777.51-19,160.20-4,456.52

Finding the Fourth Proportional to 12,777.51, 19,160.20 and 4,456.52

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Solution

The fourth proportional to 12,777.51, 19,160.20 and 4,456.52 is: 6,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.51 : 19,160.20 = 4,456.52 : x
  2. Step 2: Convert to fraction form
    12,777.51/19,160.20 = 4,456.52/x
  3. Step 3: Cross multiply
    12,777.51x = 19,160.20 × 4,456.52
  4. Step 4: Simplify right side
    12,777.51x = 85,387,696.42
  5. Step 5: Solve for x
    x = 85,387,696.42/12,777.51
  6. Step 6: Final answer
    x = 6,682.66

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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.