Home / 13,570.44-20,353.32-4,082.64

Finding the Fourth Proportional to 13,570.44, 20,353.32 and 4,082.64

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Solution

The fourth proportional to 13,570.44, 20,353.32 and 4,082.64 is: 6,123.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.44 : 20,353.32 = 4,082.64 : x
  2. Step 2: Convert to fraction form
    13,570.44/20,353.32 = 4,082.64/x
  3. Step 3: Cross multiply
    13,570.44x = 20,353.32 × 4,082.64
  4. Step 4: Simplify right side
    13,570.44x = 83,095,278.36
  5. Step 5: Solve for x
    x = 83,095,278.36/13,570.44
  6. Step 6: Final answer
    x = 6,123.26

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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.