Home / 13,392.41-20,082.65-6,374.43

Finding the Fourth Proportional to 13,392.41, 20,082.65 and 6,374.43

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Solution

The fourth proportional to 13,392.41, 20,082.65 and 6,374.43 is: 9,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.41 : 20,082.65 = 6,374.43 : x
  2. Step 2: Convert to fraction form
    13,392.41/20,082.65 = 6,374.43/x
  3. Step 3: Cross multiply
    13,392.41x = 20,082.65 × 6,374.43
  4. Step 4: Simplify right side
    13,392.41x = 128,015,414.77
  5. Step 5: Solve for x
    x = 128,015,414.77/13,392.41
  6. Step 6: Final answer
    x = 9,558.81

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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.