Home / 13,759.50-20,626.85-4,988.25

Finding the Fourth Proportional to 13,759.50, 20,626.85 and 4,988.25

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Solution

The fourth proportional to 13,759.50, 20,626.85 and 4,988.25 is: 7,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.50 : 20,626.85 = 4,988.25 : x
  2. Step 2: Convert to fraction form
    13,759.50/20,626.85 = 4,988.25/x
  3. Step 3: Cross multiply
    13,759.50x = 20,626.85 × 4,988.25
  4. Step 4: Simplify right side
    13,759.50x = 102,891,896.98
  5. Step 5: Solve for x
    x = 102,891,896.98/13,759.50
  6. Step 6: Final answer
    x = 7,477.88

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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.