Home / 13,847.56-20,782.24-5,084.98

Finding the Fourth Proportional to 13,847.56, 20,782.24 and 5,084.98

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Solution

The fourth proportional to 13,847.56, 20,782.24 and 5,084.98 is: 7,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.56 : 20,782.24 = 5,084.98 : x
  2. Step 2: Convert to fraction form
    13,847.56/20,782.24 = 5,084.98/x
  3. Step 3: Cross multiply
    13,847.56x = 20,782.24 × 5,084.98
  4. Step 4: Simplify right side
    13,847.56x = 105,677,210.09
  5. Step 5: Solve for x
    x = 105,677,210.09/13,847.56
  6. Step 6: Final answer
    x = 7,631.47

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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.