Home / 10,253.21-15,379.74-3,677.90

Finding the Fourth Proportional to 10,253.21, 15,379.74 and 3,677.90

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Solution

The fourth proportional to 10,253.21, 15,379.74 and 3,677.90 is: 5,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.21 : 15,379.74 = 3,677.90 : x
  2. Step 2: Convert to fraction form
    10,253.21/15,379.74 = 3,677.90/x
  3. Step 3: Cross multiply
    10,253.21x = 15,379.74 × 3,677.90
  4. Step 4: Simplify right side
    10,253.21x = 56,565,068.85
  5. Step 5: Solve for x
    x = 56,565,068.85/10,253.21
  6. Step 6: Final answer
    x = 5,516.82

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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.