Home / 13,530.53-20,292.72-6,506.16

Finding the Fourth Proportional to 13,530.53, 20,292.72 and 6,506.16

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Solution

The fourth proportional to 13,530.53, 20,292.72 and 6,506.16 is: 9,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.53 : 20,292.72 = 6,506.16 : x
  2. Step 2: Convert to fraction form
    13,530.53/20,292.72 = 6,506.16/x
  3. Step 3: Cross multiply
    13,530.53x = 20,292.72 × 6,506.16
  4. Step 4: Simplify right side
    13,530.53x = 132,027,582.66
  5. Step 5: Solve for x
    x = 132,027,582.66/13,530.53
  6. Step 6: Final answer
    x = 9,757.75

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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.