Home / 14,152.60-21,228.90-3,622.60

Finding the Fourth Proportional to 14,152.60, 21,228.90 and 3,622.60

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Solution

The fourth proportional to 14,152.60, 21,228.90 and 3,622.60 is: 5,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.60 : 21,228.90 = 3,622.60 : x
  2. Step 2: Convert to fraction form
    14,152.60/21,228.90 = 3,622.60/x
  3. Step 3: Cross multiply
    14,152.60x = 21,228.90 × 3,622.60
  4. Step 4: Simplify right side
    14,152.60x = 76,903,813.14
  5. Step 5: Solve for x
    x = 76,903,813.14/14,152.60
  6. Step 6: Final answer
    x = 5,433.90

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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.