Home / 13,824.18-20,727.93-5,505.48

Finding the Fourth Proportional to 13,824.18, 20,727.93 and 5,505.48

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Solution

The fourth proportional to 13,824.18, 20,727.93 and 5,505.48 is: 8,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.18 : 20,727.93 = 5,505.48 : x
  2. Step 2: Convert to fraction form
    13,824.18/20,727.93 = 5,505.48/x
  3. Step 3: Cross multiply
    13,824.18x = 20,727.93 × 5,505.48
  4. Step 4: Simplify right side
    13,824.18x = 114,117,204.06
  5. Step 5: Solve for x
    x = 114,117,204.06/13,824.18
  6. Step 6: Final answer
    x = 8,254.90

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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.