Home / 13,269.89-18,314.24-8,567.84

Finding the Fourth Proportional to 13,269.89, 18,314.24 and 8,567.84

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Solution

The fourth proportional to 13,269.89, 18,314.24 and 8,567.84 is: 11,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.89 : 18,314.24 = 8,567.84 : x
  2. Step 2: Convert to fraction form
    13,269.89/18,314.24 = 8,567.84/x
  3. Step 3: Cross multiply
    13,269.89x = 18,314.24 × 8,567.84
  4. Step 4: Simplify right side
    13,269.89x = 156,913,480.99
  5. Step 5: Solve for x
    x = 156,913,480.99/13,269.89
  6. Step 6: Final answer
    x = 11,824.77

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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.