Home / 13,943.08-20,913.09-4,082.46

Finding the Fourth Proportional to 13,943.08, 20,913.09 and 4,082.46

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Solution

The fourth proportional to 13,943.08, 20,913.09 and 4,082.46 is: 6,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.08 : 20,913.09 = 4,082.46 : x
  2. Step 2: Convert to fraction form
    13,943.08/20,913.09 = 4,082.46/x
  3. Step 3: Cross multiply
    13,943.08x = 20,913.09 × 4,082.46
  4. Step 4: Simplify right side
    13,943.08x = 85,376,853.40
  5. Step 5: Solve for x
    x = 85,376,853.40/13,943.08
  6. Step 6: Final answer
    x = 6,123.24

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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.