Home / 13,560.75-20,341.13-5,352.75

Finding the Fourth Proportional to 13,560.75, 20,341.13 and 5,352.75

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Solution

The fourth proportional to 13,560.75, 20,341.13 and 5,352.75 is: 8,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.75 : 20,341.13 = 5,352.75 : x
  2. Step 2: Convert to fraction form
    13,560.75/20,341.13 = 5,352.75/x
  3. Step 3: Cross multiply
    13,560.75x = 20,341.13 × 5,352.75
  4. Step 4: Simplify right side
    13,560.75x = 108,880,956.84
  5. Step 5: Solve for x
    x = 108,880,956.84/13,560.75
  6. Step 6: Final answer
    x = 8,029.13

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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.