Home / 10,408.51-14,359.71-6,631

Finding the Fourth Proportional to 10,408.51, 14,359.71 and 6,631

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Solution

The fourth proportional to 10,408.51, 14,359.71 and 6,631 is: 9,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.51 : 14,359.71 = 6,631 : x
  2. Step 2: Convert to fraction form
    10,408.51/14,359.71 = 6,631/x
  3. Step 3: Cross multiply
    10,408.51x = 14,359.71 × 6,631
  4. Step 4: Simplify right side
    10,408.51x = 95,219,237.01
  5. Step 5: Solve for x
    x = 95,219,237.01/10,408.51
  6. Step 6: Final answer
    x = 9,148.21

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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.