Home / 14,421.18-21,597.21-9,137.82

Finding the Fourth Proportional to 14,421.18, 21,597.21 and 9,137.82

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Solution

The fourth proportional to 14,421.18, 21,597.21 and 9,137.82 is: 13,684.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.18 : 21,597.21 = 9,137.82 : x
  2. Step 2: Convert to fraction form
    14,421.18/21,597.21 = 9,137.82/x
  3. Step 3: Cross multiply
    14,421.18x = 21,597.21 × 9,137.82
  4. Step 4: Simplify right side
    14,421.18x = 197,351,417.48
  5. Step 5: Solve for x
    x = 197,351,417.48/14,421.18
  6. Step 6: Final answer
    x = 13,684.83

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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.