Home / 13,529.80-20,297.90-4,295.80

Finding the Fourth Proportional to 13,529.80, 20,297.90 and 4,295.80

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Solution

The fourth proportional to 13,529.80, 20,297.90 and 4,295.80 is: 6,444.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.80 : 20,297.90 = 4,295.80 : x
  2. Step 2: Convert to fraction form
    13,529.80/20,297.90 = 4,295.80/x
  3. Step 3: Cross multiply
    13,529.80x = 20,297.90 × 4,295.80
  4. Step 4: Simplify right side
    13,529.80x = 87,195,718.82
  5. Step 5: Solve for x
    x = 87,195,718.82/13,529.80
  6. Step 6: Final answer
    x = 6,444.72

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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.