Home / 13,506.63-20,272.91-6,585.99

Finding the Fourth Proportional to 13,506.63, 20,272.91 and 6,585.99

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Solution

The fourth proportional to 13,506.63, 20,272.91 and 6,585.99 is: 9,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.63 : 20,272.91 = 6,585.99 : x
  2. Step 2: Convert to fraction form
    13,506.63/20,272.91 = 6,585.99/x
  3. Step 3: Cross multiply
    13,506.63x = 20,272.91 × 6,585.99
  4. Step 4: Simplify right side
    13,506.63x = 133,517,149.60
  5. Step 5: Solve for x
    x = 133,517,149.60/13,506.63
  6. Step 6: Final answer
    x = 9,885.30

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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.