Home / 13,249.85-19,877.31-4,367.74

Finding the Fourth Proportional to 13,249.85, 19,877.31 and 4,367.74

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Solution

The fourth proportional to 13,249.85, 19,877.31 and 4,367.74 is: 6,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.85 : 19,877.31 = 4,367.74 : x
  2. Step 2: Convert to fraction form
    13,249.85/19,877.31 = 4,367.74/x
  3. Step 3: Cross multiply
    13,249.85x = 19,877.31 × 4,367.74
  4. Step 4: Simplify right side
    13,249.85x = 86,818,921.98
  5. Step 5: Solve for x
    x = 86,818,921.98/13,249.85
  6. Step 6: Final answer
    x = 6,552.45

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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.