Home / 13,408.88-18,497.82-9,818.18

Finding the Fourth Proportional to 13,408.88, 18,497.82 and 9,818.18

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Solution

The fourth proportional to 13,408.88, 18,497.82 and 9,818.18 is: 13,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408.88 : 18,497.82 = 9,818.18 : x
  2. Step 2: Convert to fraction form
    13,408.88/18,497.82 = 9,818.18/x
  3. Step 3: Cross multiply
    13,408.88x = 18,497.82 × 9,818.18
  4. Step 4: Simplify right side
    13,408.88x = 181,614,926.37
  5. Step 5: Solve for x
    x = 181,614,926.37/13,408.88
  6. Step 6: Final answer
    x = 13,544.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.