Home / 13,529.24-20,295.78-4,170.04

Finding the Fourth Proportional to 13,529.24, 20,295.78 and 4,170.04

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Solution

The fourth proportional to 13,529.24, 20,295.78 and 4,170.04 is: 6,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.24 : 20,295.78 = 4,170.04 : x
  2. Step 2: Convert to fraction form
    13,529.24/20,295.78 = 4,170.04/x
  3. Step 3: Cross multiply
    13,529.24x = 20,295.78 × 4,170.04
  4. Step 4: Simplify right side
    13,529.24x = 84,634,214.43
  5. Step 5: Solve for x
    x = 84,634,214.43/13,529.24
  6. Step 6: Final answer
    x = 6,255.65

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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.