Home / 13,733.28-20,600.64-4,374.09

Finding the Fourth Proportional to 13,733.28, 20,600.64 and 4,374.09

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Solution

The fourth proportional to 13,733.28, 20,600.64 and 4,374.09 is: 6,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.28 : 20,600.64 = 4,374.09 : x
  2. Step 2: Convert to fraction form
    13,733.28/20,600.64 = 4,374.09/x
  3. Step 3: Cross multiply
    13,733.28x = 20,600.64 × 4,374.09
  4. Step 4: Simplify right side
    13,733.28x = 90,109,053.42
  5. Step 5: Solve for x
    x = 90,109,053.42/13,733.28
  6. Step 6: Final answer
    x = 6,561.36

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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.