Home / 13,644.48-18,827.85-7,676.02

Finding the Fourth Proportional to 13,644.48, 18,827.85 and 7,676.02

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Solution

The fourth proportional to 13,644.48, 18,827.85 and 7,676.02 is: 10,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.48 : 18,827.85 = 7,676.02 : x
  2. Step 2: Convert to fraction form
    13,644.48/18,827.85 = 7,676.02/x
  3. Step 3: Cross multiply
    13,644.48x = 18,827.85 × 7,676.02
  4. Step 4: Simplify right side
    13,644.48x = 144,522,953.16
  5. Step 5: Solve for x
    x = 144,522,953.16/13,644.48
  6. Step 6: Final answer
    x = 10,592.05

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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.