Home / 12,757.74-19,135.40-4,437.42

Finding the Fourth Proportional to 12,757.74, 19,135.40 and 4,437.42

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Solution

The fourth proportional to 12,757.74, 19,135.40 and 4,437.42 is: 6,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757.74 : 19,135.40 = 4,437.42 : x
  2. Step 2: Convert to fraction form
    12,757.74/19,135.40 = 4,437.42/x
  3. Step 3: Cross multiply
    12,757.74x = 19,135.40 × 4,437.42
  4. Step 4: Simplify right side
    12,757.74x = 84,911,784.48
  5. Step 5: Solve for x
    x = 84,911,784.48/12,757.74
  6. Step 6: Final answer
    x = 6,655.71

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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.