Home / 13,612.50-20,414.43-4,376.34

Finding the Fourth Proportional to 13,612.50, 20,414.43 and 4,376.34

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Solution

The fourth proportional to 13,612.50, 20,414.43 and 4,376.34 is: 6,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.50 : 20,414.43 = 4,376.34 : x
  2. Step 2: Convert to fraction form
    13,612.50/20,414.43 = 4,376.34/x
  3. Step 3: Cross multiply
    13,612.50x = 20,414.43 × 4,376.34
  4. Step 4: Simplify right side
    13,612.50x = 89,340,486.59
  5. Step 5: Solve for x
    x = 89,340,486.59/13,612.50
  6. Step 6: Final answer
    x = 6,563.12

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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.