Home / 13,531.37-20,291.87-6,506.94

Finding the Fourth Proportional to 13,531.37, 20,291.87 and 6,506.94

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Solution

The fourth proportional to 13,531.37, 20,291.87 and 6,506.94 is: 9,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.37 : 20,291.87 = 6,506.94 : x
  2. Step 2: Convert to fraction form
    13,531.37/20,291.87 = 6,506.94/x
  3. Step 3: Cross multiply
    13,531.37x = 20,291.87 × 6,506.94
  4. Step 4: Simplify right side
    13,531.37x = 132,037,948.04
  5. Step 5: Solve for x
    x = 132,037,948.04/13,531.37
  6. Step 6: Final answer
    x = 9,757.92

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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.