Home / 10,923.21-16,385.86-4,347.85

Finding the Fourth Proportional to 10,923.21, 16,385.86 and 4,347.85

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Solution

The fourth proportional to 10,923.21, 16,385.86 and 4,347.85 is: 6,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.21 : 16,385.86 = 4,347.85 : x
  2. Step 2: Convert to fraction form
    10,923.21/16,385.86 = 4,347.85/x
  3. Step 3: Cross multiply
    10,923.21x = 16,385.86 × 4,347.85
  4. Step 4: Simplify right side
    10,923.21x = 71,243,261.40
  5. Step 5: Solve for x
    x = 71,243,261.40/10,923.21
  6. Step 6: Final answer
    x = 6,522.19

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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.