Home / 13,522.50-20,280.48-3,661.14

Finding the Fourth Proportional to 13,522.50, 20,280.48 and 3,661.14

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Solution

The fourth proportional to 13,522.50, 20,280.48 and 3,661.14 is: 5,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.50 : 20,280.48 = 3,661.14 : x
  2. Step 2: Convert to fraction form
    13,522.50/20,280.48 = 3,661.14/x
  3. Step 3: Cross multiply
    13,522.50x = 20,280.48 × 3,661.14
  4. Step 4: Simplify right side
    13,522.50x = 74,249,676.55
  5. Step 5: Solve for x
    x = 74,249,676.55/13,522.50
  6. Step 6: Final answer
    x = 5,490.82

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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.