Home / 13,522.50-20,269.80-5,629.59

Finding the Fourth Proportional to 13,522.50, 20,269.80 and 5,629.59

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Solution

The fourth proportional to 13,522.50, 20,269.80 and 5,629.59 is: 8,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.50 : 20,269.80 = 5,629.59 : x
  2. Step 2: Convert to fraction form
    13,522.50/20,269.80 = 5,629.59/x
  3. Step 3: Cross multiply
    13,522.50x = 20,269.80 × 5,629.59
  4. Step 4: Simplify right side
    13,522.50x = 114,110,663.38
  5. Step 5: Solve for x
    x = 114,110,663.38/13,522.50
  6. Step 6: Final answer
    x = 8,438.58

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1.5x scale

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.