Home / 13,784.53-20,675.57-4,422.01

Finding the Fourth Proportional to 13,784.53, 20,675.57 and 4,422.01

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Solution

The fourth proportional to 13,784.53, 20,675.57 and 4,422.01 is: 6,632.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.53 : 20,675.57 = 4,422.01 : x
  2. Step 2: Convert to fraction form
    13,784.53/20,675.57 = 4,422.01/x
  3. Step 3: Cross multiply
    13,784.53x = 20,675.57 × 4,422.01
  4. Step 4: Simplify right side
    13,784.53x = 91,427,503.50
  5. Step 5: Solve for x
    x = 91,427,503.50/13,784.53
  6. Step 6: Final answer
    x = 6,632.62

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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.