Home / 13,043.10-18,002.07-8,567.58

Finding the Fourth Proportional to 13,043.10, 18,002.07 and 8,567.58

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Solution

The fourth proportional to 13,043.10, 18,002.07 and 8,567.58 is: 11,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.10 : 18,002.07 = 8,567.58 : x
  2. Step 2: Convert to fraction form
    13,043.10/18,002.07 = 8,567.58/x
  3. Step 3: Cross multiply
    13,043.10x = 18,002.07 × 8,567.58
  4. Step 4: Simplify right side
    13,043.10x = 154,234,174.89
  5. Step 5: Solve for x
    x = 154,234,174.89/13,043.10
  6. Step 6: Final answer
    x = 11,824.96

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1.5x scale

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.