Home / 13,501.80-20,252.70-4,735.80

Finding the Fourth Proportional to 13,501.80, 20,252.70 and 4,735.80

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Solution

The fourth proportional to 13,501.80, 20,252.70 and 4,735.80 is: 7,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.80 : 20,252.70 = 4,735.80 : x
  2. Step 2: Convert to fraction form
    13,501.80/20,252.70 = 4,735.80/x
  3. Step 3: Cross multiply
    13,501.80x = 20,252.70 × 4,735.80
  4. Step 4: Simplify right side
    13,501.80x = 95,912,736.66
  5. Step 5: Solve for x
    x = 95,912,736.66/13,501.80
  6. Step 6: Final answer
    x = 7,103.70

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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.