Home / 14,082.26-21,122.57-4,221.72

Finding the Fourth Proportional to 14,082.26, 21,122.57 and 4,221.72

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Solution

The fourth proportional to 14,082.26, 21,122.57 and 4,221.72 is: 6,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.26 : 21,122.57 = 4,221.72 : x
  2. Step 2: Convert to fraction form
    14,082.26/21,122.57 = 4,221.72/x
  3. Step 3: Cross multiply
    14,082.26x = 21,122.57 × 4,221.72
  4. Step 4: Simplify right side
    14,082.26x = 89,173,586.77
  5. Step 5: Solve for x
    x = 89,173,586.77/14,082.26
  6. Step 6: Final answer
    x = 6,332.34

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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.