Home / 13,816.55-20,726.89-4,453.49

Finding the Fourth Proportional to 13,816.55, 20,726.89 and 4,453.49

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Solution

The fourth proportional to 13,816.55, 20,726.89 and 4,453.49 is: 6,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.55 : 20,726.89 = 4,453.49 : x
  2. Step 2: Convert to fraction form
    13,816.55/20,726.89 = 4,453.49/x
  3. Step 3: Cross multiply
    13,816.55x = 20,726.89 × 4,453.49
  4. Step 4: Simplify right side
    13,816.55x = 92,307,038.03
  5. Step 5: Solve for x
    x = 92,307,038.03/13,816.55
  6. Step 6: Final answer
    x = 6,680.90

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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.